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<div class="headertitle"><div class="title">memory_game.cpp File Reference</div></div>
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<p>A simple <a href="https://en.wikipedia.org/wiki/Matching_game" target="_blank">Memory Game</a> with <b>3 different sizes</b> and multiple letters.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;algorithm&gt;</code><br />
<code>#include &lt;cstdlib&gt;</code><br />
<code>#include &lt;ctime&gt;</code><br />
<code>#include &lt;iostream&gt;</code><br />
<code>#include &lt;random&gt;</code><br />
<code>#include &lt;vector&gt;</code><br />
<code>#include &lt;unistd.h&gt;</code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for memory_game.cpp:</div>
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Functions</h2></td></tr>
<tr class="memitem:a5bdc30951221eae9c33413ff9eb574f6"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a5bdc30951221eae9c33413ff9eb574f6"><td class="memTemplItemLeft" align="right" valign="top">constexpr T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../dd/d92/memory__game_8cpp.html#a5bdc30951221eae9c33413ff9eb574f6">SLEEP</a> (T seconds)</td></tr>
<tr class="memdesc:a5bdc30951221eae9c33413ff9eb574f6"><td class="mdescLeft">&#160;</td><td class="mdescRight">for sleep() <br /></td></tr>
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<tr class="memitem:a33167bb9cce6d527b478b4f6ae8c3f59"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a33167bb9cce6d527b478b4f6ae8c3f59"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../dd/d92/memory__game_8cpp.html#a33167bb9cce6d527b478b4f6ae8c3f59">games::memory_game::is_number</a> (const T &amp;input)</td></tr>
<tr class="memdesc:a33167bb9cce6d527b478b4f6ae8c3f59"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility function to verify if the given input is a number or not. This is very useful to prevent the program being stuck in a loop. <br /></td></tr>
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<tr class="memitem:ad573c8ae66ab66156d03e5e81bbba214"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../dd/d92/memory__game_8cpp.html#ad573c8ae66ab66156d03e5e81bbba214">games::memory_game::init</a> (<a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; *table)</td></tr>
<tr class="memdesc:ad573c8ae66ab66156d03e5e81bbba214"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initializes the table with the letters. <br /></td></tr>
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<tr class="memitem:ac589ef65abb0a6b9a7116ee0f9fd5280"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
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<tr class="memdesc:ac589ef65abb0a6b9a7116ee0f9fd5280"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility function to print the table. <br /></td></tr>
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<tr class="memitem:adc62ebb75853446656e24932bdc6dd6b"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:adc62ebb75853446656e24932bdc6dd6b"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../dd/d92/memory__game_8cpp.html#adc62ebb75853446656e24932bdc6dd6b">games::memory_game::reset_data</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; &amp;table, int *answer, int *old_answer, int *memory_count)</td></tr>
<tr class="memdesc:adc62ebb75853446656e24932bdc6dd6b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility function that resets the data if the user enters an invalid value. <br /></td></tr>
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<tr class="memitem:a5714d97649c0edd57b4fb449799676a3"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../dd/d92/memory__game_8cpp.html#a5714d97649c0edd57b4fb449799676a3">games::memory_game::ask_data</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; &amp;table, int *answer, int *old_answer, int *memory_count)</td></tr>
<tr class="memdesc:a5714d97649c0edd57b4fb449799676a3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function that asks the user for their input in the table they previously chose. <br /></td></tr>
<tr class="separator:a5714d97649c0edd57b4fb449799676a3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a370760f2b328ad341bcb77d82fa17b01"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a370760f2b328ad341bcb77d82fa17b01"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../dd/d92/memory__game_8cpp.html#a370760f2b328ad341bcb77d82fa17b01">games::memory_game::match</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; &amp;table, <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; *table_empty, const int &amp;answer, bool *first_time, int *old_answer, int *memory_count)</td></tr>
<tr class="memdesc:a370760f2b328ad341bcb77d82fa17b01"><td class="mdescLeft">&#160;</td><td class="mdescRight">Checks if the two values given by the user match. <br /></td></tr>
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<tr class="memitem:a3ceeea62d8fa6c563e2c66359fd73413"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a3ceeea62d8fa6c563e2c66359fd73413"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../dd/d92/memory__game_8cpp.html#a3ceeea62d8fa6c563e2c66359fd73413">games::memory_game::assign_results</a> (<a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; *table_empty, <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; *table, int *answer, bool *first_time, int *old_answer, int *memory_count)</td></tr>
<tr class="memdesc:a3ceeea62d8fa6c563e2c66359fd73413"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function to assign the results to the table. <br /></td></tr>
<tr class="separator:a3ceeea62d8fa6c563e2c66359fd73413"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dd/d92/memory__game_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
<tr class="memdesc:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Main function. <br /></td></tr>
<tr class="separator:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A simple <a href="https://en.wikipedia.org/wiki/Matching_game" target="_blank">Memory Game</a> with <b>3 different sizes</b> and multiple letters. </p>
<p>The game consists on finding <b>the pair</b> of all the given letters depending on the table size. Once all of the instances are all found, the game will end and will ask you if you'd like to play again or not.</p>
<p>It provides <b>3 different sizes</b> available that the user can choose (4x2, 5x2, 7x2). 7x2 being the biggest table size and hardest mode. The bigger the size, <b>the more letters are available</b>.</p>
<dl class="section author"><dt>Author</dt><dd><a href="https://github.com/Panquesito7" target="_blank">David Leal</a> </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a5714d97649c0edd57b4fb449799676a3" name="a5714d97649c0edd57b4fb449799676a3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5714d97649c0edd57b4fb449799676a3">&#9670;&#160;</a></span>ask_data()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;typename T &gt; </div>
<table class="memname">
<tr>
<td class="memname">void games::memory_game::ask_data </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; &amp;&#160;</td>
<td class="paramname"><em>table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>answer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>old_answer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>memory_count</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Function that asks the user for their input in the table they previously chose. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>The type of the table. </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">table</td><td>The table that's used to get the user's input and data. </td></tr>
<tr><td class="paramname">answer</td><td>The user's answer. </td></tr>
<tr><td class="paramname">old_answer</td><td>The user's previous answer. </td></tr>
<tr><td class="paramname">memory_count</td><td>A counter to check if the user has already answered two values. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 162</span> {</div>
<div class="line"><span class="lineno"> 163</span> (*old_answer) = (*answer);</div>
<div class="line"><span class="lineno"> 164</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#ac589ef65abb0a6b9a7116ee0f9fd5280">print_table</a>(table);</div>
<div class="line"><span class="lineno"> 165</span> </div>
<div class="line"><span class="lineno"> 166</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\n\nType your response here (number index):\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 167</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; (*answer);</div>
<div class="line"><span class="lineno"> 168</span> </div>
<div class="line"><span class="lineno"> 169</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#a33167bb9cce6d527b478b4f6ae8c3f59">is_number</a>((*answer))) {</div>
<div class="line"><span class="lineno"> 170</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\nYou must enter a valid number.\n\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 171</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#adc62ebb75853446656e24932bdc6dd6b">reset_data</a>(table, answer, old_answer, memory_count);</div>
<div class="line"><span class="lineno"> 172</span> }</div>
<div class="line"><span class="lineno"> 173</span> </div>
<div class="line"><span class="lineno"> 174</span> <span class="comment">// Increase the memory count, which will be later on used for checking if</span></div>
<div class="line"><span class="lineno"> 175</span> <span class="comment">// the user has already answered two values.</span></div>
<div class="line"><span class="lineno"> 176</span> (*memory_count)++;</div>
<div class="line"><span class="lineno"> 177</span> </div>
<div class="line"><span class="lineno"> 178</span> <span class="keywordflow">if</span> (((*answer) &gt; table.size()) || ((*answer) &lt; 1)) {</div>
<div class="line"><span class="lineno"> 179</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\nYou can&#39;t check a value that doesn&#39;t exist (or an &quot;</span></div>
<div class="line"><span class="lineno"> 180</span> <span class="stringliteral">&quot;invalid number).\n\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 181</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#adc62ebb75853446656e24932bdc6dd6b">reset_data</a>(table, answer, old_answer, memory_count);</div>
<div class="line"><span class="lineno"> 182</span> }</div>
<div class="line"><span class="lineno"> 183</span> </div>
<div class="line"><span class="lineno"> 184</span> <span class="keywordflow">if</span> ((*old_answer) == (*answer)) {</div>
<div class="line"><span class="lineno"> 185</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\nYou can&#39;t check the same value twice.\n\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 186</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#adc62ebb75853446656e24932bdc6dd6b">reset_data</a>(table, answer, old_answer, memory_count);</div>
<div class="line"><span class="lineno"> 187</span> }</div>
<div class="line"><span class="lineno"> 188</span> </div>
<div class="line"><span class="lineno"> 189</span> <span class="comment">// If two matches are answered already, but the user checkes a non-answered</span></div>
<div class="line"><span class="lineno"> 190</span> <span class="comment">// and an answered value, the program will mark it as no match, however, we</span></div>
<div class="line"><span class="lineno"> 191</span> <span class="comment">// must not allow the user to check the same value twice.</span></div>
<div class="line"><span class="lineno"> 192</span> <span class="keywordflow">if</span> ((table[(*answer) - 1] != 0) &amp;&amp;</div>
<div class="line"><span class="lineno"> 193</span> ((table[(*old_answer)] == 0) || (table[(*old_answer)] != 0))) {</div>
<div class="line"><span class="lineno"> 194</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\nYou can&#39;t check the same value twice.\n\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 195</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#adc62ebb75853446656e24932bdc6dd6b">reset_data</a>(table, answer, old_answer, memory_count);</div>
<div class="line"><span class="lineno"> 196</span> }</div>
<div class="line"><span class="lineno"> 197</span>}</div>
<div class="ttc" id="abasic_istream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a></div></div>
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
<div class="ttc" id="amemory__game_8cpp_html_a33167bb9cce6d527b478b4f6ae8c3f59"><div class="ttname"><a href="../../dd/d92/memory__game_8cpp.html#a33167bb9cce6d527b478b4f6ae8c3f59">games::memory_game::is_number</a></div><div class="ttdeci">bool is_number(const T &amp;input)</div><div class="ttdoc">Utility function to verify if the given input is a number or not. This is very useful to prevent the ...</div><div class="ttdef"><b>Definition:</b> memory_game.cpp:62</div></div>
<div class="ttc" id="amemory__game_8cpp_html_ac589ef65abb0a6b9a7116ee0f9fd5280"><div class="ttname"><a href="../../dd/d92/memory__game_8cpp.html#ac589ef65abb0a6b9a7116ee0f9fd5280">games::memory_game::print_table</a></div><div class="ttdeci">void print_table(const std::vector&lt; T &gt; &amp;table)</div><div class="ttdoc">Utility function to print the table.</div><div class="ttdef"><b>Definition:</b> memory_game.cpp:123</div></div>
<div class="ttc" id="amemory__game_8cpp_html_adc62ebb75853446656e24932bdc6dd6b"><div class="ttname"><a href="../../dd/d92/memory__game_8cpp.html#adc62ebb75853446656e24932bdc6dd6b">games::memory_game::reset_data</a></div><div class="ttdeci">void reset_data(const std::vector&lt; T &gt; &amp;, int *, int *, int *)</div><div class="ttdoc">Utility function that resets the data if the user enters an invalid value.</div><div class="ttdef"><b>Definition:</b> memory_game.cpp:211</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a3ceeea62d8fa6c563e2c66359fd73413">&#9670;&#160;</a></span>assign_results()</h2>
<div class="memitem">
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<div class="memtemplate">
template&lt;typename T &gt; </div>
<table class="memname">
<tr>
<td class="memname">void games::memory_game::assign_results </td>
<td>(</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; *&#160;</td>
<td class="paramname"><em>table_empty</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; *&#160;</td>
<td class="paramname"><em>table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>answer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool *&#160;</td>
<td class="paramname"><em>first_time</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>old_answer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>memory_count</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Function to assign the results to the table. </p>
<p>Also checkes if the user has answered all the values already, as well as verify if the user made a match or not. </p><dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>The type of the tables. </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">table_empty</td><td>The table with no values, slowly assigned from <code>table</code> depending on the user's input. </td></tr>
<tr><td class="paramname">table</td><td>The table with the original values. </td></tr>
<tr><td class="paramname">answer</td><td>The user's answer. </td></tr>
<tr><td class="paramname">first_time</td><td>A boolean to check if the user has already answered a value. </td></tr>
<tr><td class="paramname">old_answer</td><td>The user's previous answer. </td></tr>
<tr><td class="paramname">memory_count</td><td>A counter to check if the user has already answered two values. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 291</span> {</div>
<div class="line"><span class="lineno"> 292</span> <span class="comment">// Search through the entire table and if the answer matches the index, show</span></div>
<div class="line"><span class="lineno"> 293</span> <span class="comment">// the value. If it doesn&#39;t match, hide both the values. Don&#39;t forget to</span></div>
<div class="line"><span class="lineno"> 294</span> <span class="comment">// keep older values already answered.</span></div>
<div class="line"><span class="lineno"> 295</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; (*table).size() + 1; i++) {</div>
<div class="line"><span class="lineno"> 296</span> <span class="keywordflow">if</span> (i == (*answer)) {</div>
<div class="line"><span class="lineno"> 297</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#a370760f2b328ad341bcb77d82fa17b01">match</a>((*table), table_empty, (*answer), first_time, old_answer,</div>
<div class="line"><span class="lineno"> 298</span> memory_count) == <span class="keyword">true</span>) {</div>
<div class="line"><span class="lineno"> 299</span> (*table_empty)[i - 1] = (*table)[i - 1];</div>
<div class="line"><span class="lineno"> 300</span> (*first_time) = <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 301</span> }</div>
<div class="line"><span class="lineno"> 302</span> }</div>
<div class="line"><span class="lineno"> 303</span> }</div>
<div class="line"><span class="lineno"> 304</span> </div>
<div class="line"><span class="lineno"> 305</span> <span class="keywordflow">if</span> ((*memory_count) == 1) {</div>
<div class="line"><span class="lineno"> 306</span> (*first_time) = <span class="keyword">false</span>;</div>
<div class="line"><span class="lineno"> 307</span> (*memory_count) = 0;</div>
<div class="line"><span class="lineno"> 308</span> }</div>
<div class="line"><span class="lineno"> 309</span> </div>
<div class="line"><span class="lineno"> 310</span> <span class="keywordtype">char</span> try_again = <span class="charliteral">&#39;n&#39;</span>;</div>
<div class="line"><span class="lineno"> 311</span> </div>
<div class="line"><span class="lineno"> 312</span> <span class="comment">// Has the user finished the game? Use a `for` loop, and if the table is</span></div>
<div class="line"><span class="lineno"> 313</span> <span class="comment">// full, ask the user if he wants to play again.</span></div>
<div class="line"><span class="lineno"> 314</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; (*table).size() + 1; i++) {</div>
<div class="line"><span class="lineno"> 315</span> <span class="keywordflow">if</span> ((*table_empty)[i] == 0) {</div>
<div class="line"><span class="lineno"> 316</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 317</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i == (*table).size() - 1) {</div>
<div class="line"><span class="lineno"> 318</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#ac589ef65abb0a6b9a7116ee0f9fd5280">print_table</a>((*table));</div>
<div class="line"><span class="lineno"> 319</span> </div>
<div class="line"><span class="lineno"> 320</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\n\nYou won. Congratulations! Do you want to play &quot;</span></div>
<div class="line"><span class="lineno"> 321</span> <span class="stringliteral">&quot;again? (y/n)\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 322</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div>
<div class="line"><span class="lineno"> 323</span> &lt;&lt; <span class="stringliteral">&quot;Size &quot;</span> &lt;&lt; (*table).size()</div>
<div class="line"><span class="lineno"> 324</span> &lt;&lt; <span class="stringliteral">&quot; will be used. This can be changed by re-running the game.&quot;</span>;</div>
<div class="line"><span class="lineno"> 325</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; try_again;</div>
<div class="line"><span class="lineno"> 326</span> <span class="keywordflow">if</span> (try_again == <span class="charliteral">&#39;y&#39;</span>) {</div>
<div class="line"><span class="lineno"> 327</span> <span class="comment">// This is needed when checking if the user has two matches</span></div>
<div class="line"><span class="lineno"> 328</span> <span class="comment">// already.</span></div>
<div class="line"><span class="lineno"> 329</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; (*table_empty).size(); i++) {</div>
<div class="line"><span class="lineno"> 330</span> (*table_empty)[i] = 0;</div>
<div class="line"><span class="lineno"> 331</span> }</div>
<div class="line"><span class="lineno"> 332</span> </div>
<div class="line"><span class="lineno"> 333</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#ad573c8ae66ab66156d03e5e81bbba214">init</a>(table);</div>
<div class="line"><span class="lineno"> 334</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (try_again == <span class="charliteral">&#39;n&#39;</span>) {</div>
<div class="line"><span class="lineno"> 335</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\nThanks for playing the game!\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 336</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#a5bdc30951221eae9c33413ff9eb574f6">SLEEP</a>(3);</div>
<div class="line"><span class="lineno"> 337</span> </div>
<div class="line"><span class="lineno"> 338</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/utility/program/exit.html">exit</a>(0);</div>
<div class="line"><span class="lineno"> 339</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><span class="lineno"> 340</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\nInvalid input (exitting...).\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 341</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#a5bdc30951221eae9c33413ff9eb574f6">SLEEP</a>(3);</div>
<div class="line"><span class="lineno"> 342</span> </div>
<div class="line"><span class="lineno"> 343</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/utility/program/exit.html">exit</a>(0);</div>
<div class="line"><span class="lineno"> 344</span> }</div>
<div class="line"><span class="lineno"> 345</span> }</div>
<div class="line"><span class="lineno"> 346</span> }</div>
<div class="line"><span class="lineno"> 347</span> </div>
<div class="line"><span class="lineno"> 348</span> <span class="comment">// Ask data again.</span></div>
<div class="line"><span class="lineno"> 349</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#a5714d97649c0edd57b4fb449799676a3">ask_data</a>((*table_empty), answer, old_answer, memory_count);</div>
<div class="line"><span class="lineno"> 350</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#a3ceeea62d8fa6c563e2c66359fd73413">assign_results</a>(table_empty, table, answer, first_time, old_answer,</div>
<div class="line"><span class="lineno"> 351</span> memory_count);</div>
<div class="line"><span class="lineno"> 352</span>}</div>
<div class="ttc" id="aexit_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/program/exit.html">std::exit</a></div><div class="ttdeci">T exit(T... args)</div></div>
<div class="ttc" id="amemory__game_8cpp_html_a370760f2b328ad341bcb77d82fa17b01"><div class="ttname"><a href="../../dd/d92/memory__game_8cpp.html#a370760f2b328ad341bcb77d82fa17b01">games::memory_game::match</a></div><div class="ttdeci">bool match(const std::vector&lt; T &gt; &amp;table, std::vector&lt; T &gt; *table_empty, const int &amp;answer, bool *first_time, int *old_answer, int *memory_count)</div><div class="ttdoc">Checks if the two values given by the user match.</div><div class="ttdef"><b>Definition:</b> memory_game.cpp:235</div></div>
<div class="ttc" id="amemory__game_8cpp_html_a3ceeea62d8fa6c563e2c66359fd73413"><div class="ttname"><a href="../../dd/d92/memory__game_8cpp.html#a3ceeea62d8fa6c563e2c66359fd73413">games::memory_game::assign_results</a></div><div class="ttdeci">void assign_results(std::vector&lt; T &gt; *table_empty, std::vector&lt; T &gt; *table, int *answer, bool *first_time, int *old_answer, int *memory_count)</div><div class="ttdoc">Function to assign the results to the table.</div><div class="ttdef"><b>Definition:</b> memory_game.cpp:289</div></div>
<div class="ttc" id="amemory__game_8cpp_html_a5714d97649c0edd57b4fb449799676a3"><div class="ttname"><a href="../../dd/d92/memory__game_8cpp.html#a5714d97649c0edd57b4fb449799676a3">games::memory_game::ask_data</a></div><div class="ttdeci">void ask_data(const std::vector&lt; T &gt; &amp;table, int *answer, int *old_answer, int *memory_count)</div><div class="ttdoc">Function that asks the user for their input in the table they previously chose.</div><div class="ttdef"><b>Definition:</b> memory_game.cpp:161</div></div>
<div class="ttc" id="amemory__game_8cpp_html_a5bdc30951221eae9c33413ff9eb574f6"><div class="ttname"><a href="../../dd/d92/memory__game_8cpp.html#a5bdc30951221eae9c33413ff9eb574f6">SLEEP</a></div><div class="ttdeci">constexpr T SLEEP(T seconds)</div><div class="ttdoc">for sleep()</div><div class="ttdef"><b>Definition:</b> memory_game.cpp:36</div></div>
<div class="ttc" id="amemory__game_8cpp_html_ad573c8ae66ab66156d03e5e81bbba214"><div class="ttname"><a href="../../dd/d92/memory__game_8cpp.html#ad573c8ae66ab66156d03e5e81bbba214">games::memory_game::init</a></div><div class="ttdeci">void init(std::vector&lt; T &gt; *table)</div><div class="ttdoc">Initializes the table with the letters.</div><div class="ttdef"><b>Definition:</b> memory_game.cpp:80</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ad573c8ae66ab66156d03e5e81bbba214">&#9670;&#160;</a></span>init()</h2>
<div class="memitem">
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template&lt;typename T &gt; </div>
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<tr>
<td class="memname">void games::memory_game::init </td>
<td>(</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; *&#160;</td>
<td class="paramname"><em>table</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Initializes the table with the letters. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>The type of the table. </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">table</td><td>The table to initialize. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 80</span> {</div>
<div class="line"><span class="lineno"> 81</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;char&gt;</a> letters(7);</div>
<div class="line"><span class="lineno"> 82</span> </div>
<div class="line"><span class="lineno"> 83</span> <span class="comment">// Decrease / increase the number of letters depending on the size.</span></div>
<div class="line"><span class="lineno"> 84</span> <span class="keywordflow">if</span> ((*table).size() == 10) { <span class="comment">// 5x2</span></div>
<div class="line"><span class="lineno"> 85</span> letters = {<span class="charliteral">&#39;A&#39;</span>, <span class="charliteral">&#39;E&#39;</span>, <span class="charliteral">&#39;Z&#39;</span>, <span class="charliteral">&#39;P&#39;</span>, <span class="charliteral">&#39;D&#39;</span>};</div>
<div class="line"><span class="lineno"> 86</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*table).size() == 8) { <span class="comment">// 4x2</span></div>
<div class="line"><span class="lineno"> 87</span> letters = {<span class="charliteral">&#39;A&#39;</span>, <span class="charliteral">&#39;E&#39;</span>, <span class="charliteral">&#39;Z&#39;</span>, <span class="charliteral">&#39;D&#39;</span>};</div>
<div class="line"><span class="lineno"> 88</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((*table).size() == 14) { <span class="comment">// 7x2</span></div>
<div class="line"><span class="lineno"> 89</span> letters = {<span class="charliteral">&#39;A&#39;</span>, <span class="charliteral">&#39;E&#39;</span>, <span class="charliteral">&#39;Z&#39;</span>, <span class="charliteral">&#39;P&#39;</span>, <span class="charliteral">&#39;D&#39;</span>, <span class="charliteral">&#39;B&#39;</span>, <span class="charliteral">&#39;M&#39;</span>};</div>
<div class="line"><span class="lineno"> 90</span> }</div>
<div class="line"><span class="lineno"> 91</span> </div>
<div class="line"><span class="lineno"> 92</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;char&gt;</a> pairs;</div>
<div class="line"><span class="lineno"> 93</span> <span class="keywordflow">for</span> (<span class="keywordtype">char</span> letter : letters) {</div>
<div class="line"><span class="lineno"> 94</span> pairs.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(letter);</div>
<div class="line"><span class="lineno"> 95</span> pairs.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(letter);</div>
<div class="line"><span class="lineno"> 96</span> }</div>
<div class="line"><span class="lineno"> 97</span> </div>
<div class="line"><span class="lineno"> 98</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/random_shuffle.html">std::shuffle</a>(pairs.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/begin.html">begin</a>(), pairs.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>(),</div>
<div class="line"><span class="lineno"> 99</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/random/mersenne_twister_engine.html">std::mt19937</a>(<a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/random/random_device.html">std::random_device</a>()()));</div>
<div class="line"><span class="lineno"> 100</span> </div>
<div class="line"><span class="lineno"> 101</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; (*table).size(); i++) {</div>
<div class="line"><span class="lineno"> 102</span> (*table)[i] = pairs[i];</div>
<div class="line"><span class="lineno"> 103</span> }</div>
<div class="line"><span class="lineno"> 104</span> </div>
<div class="line"><span class="lineno"> 105</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;All available types are: &quot;</span>;</div>
<div class="line"><span class="lineno"> 106</span> </div>
<div class="line"><span class="lineno"> 107</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; letters.size(); i++) {</div>
<div class="line"><span class="lineno"> 108</span> <span class="keywordflow">if</span> (i == letters.size() - 1) {</div>
<div class="line"><span class="lineno"> 109</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;and &quot;</span> &lt;&lt; letters[i] &lt;&lt; <span class="stringliteral">&quot;.\n\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 110</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><span class="lineno"> 111</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; letters[i] &lt;&lt; <span class="stringliteral">&quot;, &quot;</span>;</div>
<div class="line"><span class="lineno"> 112</span> }</div>
<div class="line"><span class="lineno"> 113</span> }</div>
<div class="line"><span class="lineno"> 114</span>}</div>
<div class="ttc" id="abegin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/begin.html">std::vector::begin</a></div><div class="ttdeci">T begin(T... args)</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a33167bb9cce6d527b478b4f6ae8c3f59">&#9670;&#160;</a></span>is_number()</h2>
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template&lt;typename T &gt; </div>
<table class="memname">
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<td class="memname">bool games::memory_game::is_number </td>
<td>(</td>
<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>input</em></td><td>)</td>
<td></td>
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<p>Utility function to verify if the given input is a number or not. This is very useful to prevent the program being stuck in a loop. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>The type of the input </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">input</td><td>The input to check. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>false if the input IS empty or if it contains a non-digit character </dd>
<dd>
true if the input is NOT empty and if it contains only digit characters </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 62</span> {</div>
<div class="line"><span class="lineno"> 63</span> <span class="keywordflow">if</span> (<a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a>.fail()) {</div>
<div class="line"><span class="lineno"> 64</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a>.clear();</div>
<div class="line"><span class="lineno"> 65</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a>.ignore(256, <span class="charliteral">&#39;\n&#39;</span>);</div>
<div class="line"><span class="lineno"> 66</span> </div>
<div class="line"><span class="lineno"> 67</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><span class="lineno"> 68</span> }</div>
<div class="line"><span class="lineno"> 69</span> </div>
<div class="line"><span class="lineno"> 70</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 71</span>}</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
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<td class="memname">int main </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Main function. </p>
<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
<p>&lt; Size of the table.</p>
<p>&lt; Selection of the size (4x2, 5x2, 7x2).</p>
<p>&lt; The answer (number index) that the user chose.</p>
<p>&lt; Previous answer (number index).</p>
<p>&lt; Counter to check if the user has already answered two values.</p>
<p>&lt; Whether the user has answered 1 value or not (previous answered values do not count).</p>
<div class="fragment"><div class="line"><span class="lineno"> 360</span> {</div>
<div class="line"><span class="lineno"> 361</span> <span class="comment">// Start randomizer. This changes the values every time.</span></div>
<div class="line"><span class="lineno"> 362</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/random/srand.html">std::srand</a>(<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/chrono/c/time.html">std::time</a>(<span class="keyword">nullptr</span>));</div>
<div class="line"><span class="lineno"> 363</span> </div>
<div class="line"><span class="lineno"> 364</span> <span class="keywordtype">int</span> size = 0; <span class="comment">///&lt; Size of the table.</span></div>
<div class="line"><span class="lineno"> 365</span> <span class="keywordtype">int</span> selection = 0; <span class="comment">///&lt; Selection of the size (4x2, 5x2, 7x2).</span></div>
<div class="line"><span class="lineno"> 366</span> </div>
<div class="line"><span class="lineno"> 367</span> <span class="keywordtype">int</span> response = 0; <span class="comment">///&lt; The answer (number index) that the user chose.</span></div>
<div class="line"><span class="lineno"> 368</span> <span class="keywordtype">int</span> old_answer = 0; <span class="comment">///&lt; Previous answer (number index).</span></div>
<div class="line"><span class="lineno"> 369</span> </div>
<div class="line"><span class="lineno"> 370</span> <span class="keywordtype">int</span> memory_count =</div>
<div class="line"><span class="lineno"> 371</span> 0; <span class="comment">///&lt; Counter to check if the user has already answered two values.</span></div>
<div class="line"><span class="lineno"> 372</span> <span class="keywordtype">bool</span> first_time = <span class="keyword">true</span>; <span class="comment">///&lt; Whether the user has answered 1 value or not</span><span class="comment"></span></div>
<div class="line"><span class="lineno"> 373</span><span class="comment"> ///&lt; (previous answered values do not count).</span></div>
<div class="line"><span class="lineno"> 374</span><span class="comment"></span> </div>
<div class="line"><span class="lineno"> 375</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\tMEMORY GAME\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 376</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/boolalpha.html">std::boolalpha</a>;</div>
<div class="line"><span class="lineno"> 377</span> std::cout &lt;&lt; std::is_literal_type&lt;void&gt;::value;</div>
<div class="line"><span class="lineno"> 378</span> </div>
<div class="line"><span class="lineno"> 379</span> <span class="keywordflow">do</span> {</div>
<div class="line"><span class="lineno"> 380</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\n1. 4x2 (1)&quot;</span>;</div>
<div class="line"><span class="lineno"> 381</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\n2. 5x2 (2)&quot;</span>;</div>
<div class="line"><span class="lineno"> 382</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\n3. 7x2 (3)\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 383</span> </div>
<div class="line"><span class="lineno"> 384</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\nChoose table size: &quot;</span>;</div>
<div class="line"><span class="lineno"> 385</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; selection;</div>
<div class="line"><span class="lineno"> 386</span> } <span class="keywordflow">while</span> ((selection &lt; 1 || selection &gt; 3) &amp;&amp;</div>
<div class="line"><span class="lineno"> 387</span> (!games::memory_game::is_number(selection)));</div>
<div class="line"><span class="lineno"> 388</span> </div>
<div class="line"><span class="lineno"> 389</span> <span class="keywordflow">switch</span> (selection) {</div>
<div class="line"><span class="lineno"> 390</span> <span class="keywordflow">case</span> 1:</div>
<div class="line"><span class="lineno"> 391</span> size = 8;</div>
<div class="line"><span class="lineno"> 392</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 393</span> <span class="keywordflow">case</span> 2:</div>
<div class="line"><span class="lineno"> 394</span> size = 10;</div>
<div class="line"><span class="lineno"> 395</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 396</span> <span class="keywordflow">case</span> 3:</div>
<div class="line"><span class="lineno"> 397</span> size = 14;</div>
<div class="line"><span class="lineno"> 398</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 399</span> <span class="keywordflow">default</span>:</div>
<div class="line"><span class="lineno"> 400</span> size = 10;</div>
<div class="line"><span class="lineno"> 401</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 402</span> }</div>
<div class="line"><span class="lineno"> 403</span> </div>
<div class="line"><span class="lineno"> 404</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;char&gt;</a> table(size);</div>
<div class="line"><span class="lineno"> 405</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;char&gt;</a> table_empty(size);</div>
<div class="line"><span class="lineno"> 406</span> </div>
<div class="line"><span class="lineno"> 407</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 408</span> </div>
<div class="line"><span class="lineno"> 409</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#ad573c8ae66ab66156d03e5e81bbba214">games::memory_game::init</a>(&amp;table);</div>
<div class="line"><span class="lineno"> 410</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#a5714d97649c0edd57b4fb449799676a3">games::memory_game::ask_data</a>(table_empty, &amp;response, &amp;old_answer,</div>
<div class="line"><span class="lineno"> 411</span> &amp;memory_count);</div>
<div class="line"><span class="lineno"> 412</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#a3ceeea62d8fa6c563e2c66359fd73413">games::memory_game::assign_results</a>(&amp;table_empty, &amp;table, &amp;response,</div>
<div class="line"><span class="lineno"> 413</span> &amp;first_time, &amp;old_answer, &amp;memory_count);</div>
<div class="line"><span class="lineno"> 414</span> </div>
<div class="line"><span class="lineno"> 415</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 416</span>}</div>
<div class="ttc" id="aboolalpha_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/boolalpha.html">std::boolalpha</a></div><div class="ttdeci">T boolalpha(T... args)</div></div>
<div class="ttc" id="asrand_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/random/srand.html">std::srand</a></div><div class="ttdeci">T srand(T... args)</div></div>
<div class="ttc" id="atime_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/c/time.html">std::time</a></div><div class="ttdeci">T time(T... args)</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a370760f2b328ad341bcb77d82fa17b01">&#9670;&#160;</a></span>match()</h2>
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template&lt;typename T &gt; </div>
<table class="memname">
<tr>
<td class="memname">bool games::memory_game::match </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; &amp;&#160;</td>
<td class="paramname"><em>table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; *&#160;</td>
<td class="paramname"><em>table_empty</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const int &amp;&#160;</td>
<td class="paramname"><em>answer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool *&#160;</td>
<td class="paramname"><em>first_time</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>old_answer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>memory_count</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Checks if the two values given by the user match. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>The type of the table. </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">table_empty</td><td>The table with no values, slowly assigned from <code>table</code> depending on the user's input. </td></tr>
<tr><td class="paramname">table</td><td>The table with the original values. </td></tr>
<tr><td class="paramname">answer</td><td>The user's answer. </td></tr>
<tr><td class="paramname">first_time</td><td>A boolean to check if the user has already answered a value. </td></tr>
<tr><td class="paramname">old_answer</td><td>The user's previous answer. </td></tr>
<tr><td class="paramname">memory_count</td><td>A counter to check if the user has already answered two values. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true IF the values given by the user match </dd>
<dd>
false if the values given by the user do NOT match </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 237</span> {</div>
<div class="line"><span class="lineno"> 238</span> <span class="keywordflow">if</span> ((*first_time) == <span class="keyword">true</span>) {</div>
<div class="line"><span class="lineno"> 239</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 240</span> }</div>
<div class="line"><span class="lineno"> 241</span> </div>
<div class="line"><span class="lineno"> 242</span> <span class="comment">// Search across the whole table and if the two values match, keep results,</span></div>
<div class="line"><span class="lineno"> 243</span> <span class="comment">// otherwise, hide &#39;em up.</span></div>
<div class="line"><span class="lineno"> 244</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; table.size() + 1; i++) {</div>
<div class="line"><span class="lineno"> 245</span> <span class="keywordflow">if</span> (i == answer) {</div>
<div class="line"><span class="lineno"> 246</span> <span class="keywordflow">if</span> (table[i - 1] == table[(*old_answer) - 1]) {</div>
<div class="line"><span class="lineno"> 247</span> (*first_time) = <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 248</span> (*memory_count) = 0;</div>
<div class="line"><span class="lineno"> 249</span> </div>
<div class="line"><span class="lineno"> 250</span> (*old_answer) = 0;</div>
<div class="line"><span class="lineno"> 251</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 252</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><span class="lineno"> 253</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\nNo match (value was &quot;</span> &lt;&lt; table[i - 1]</div>
<div class="line"><span class="lineno"> 254</span> &lt;&lt; <span class="stringliteral">&quot;, index is &quot;</span> &lt;&lt; i &lt;&lt; <span class="stringliteral">&quot;).\n\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 255</span> </div>
<div class="line"><span class="lineno"> 256</span> (*table_empty)[(*old_answer) - 1] = 0;</div>
<div class="line"><span class="lineno"> 257</span> (*table_empty)[answer - 1] = 0;</div>
<div class="line"><span class="lineno"> 258</span> </div>
<div class="line"><span class="lineno"> 259</span> (*first_time) = <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 260</span> (*memory_count) = 0;</div>
<div class="line"><span class="lineno"> 261</span> </div>
<div class="line"><span class="lineno"> 262</span> (*old_answer) = 0;</div>
<div class="line"><span class="lineno"> 263</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><span class="lineno"> 264</span> }</div>
<div class="line"><span class="lineno"> 265</span> }</div>
<div class="line"><span class="lineno"> 266</span> }</div>
<div class="line"><span class="lineno"> 267</span> </div>
<div class="line"><span class="lineno"> 268</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><span class="lineno"> 269</span>}</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ac589ef65abb0a6b9a7116ee0f9fd5280">&#9670;&#160;</a></span>print_table()</h2>
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template&lt;typename T &gt; </div>
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<td class="memname">void games::memory_game::print_table </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; &amp;&#160;</td>
<td class="paramname"><em>table</em></td><td>)</td>
<td></td>
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<p>Utility function to print the table. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>The type of the table. </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">table</td><td>The table to print. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 123</span> {</div>
<div class="line"><span class="lineno"> 124</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;| &quot;</span>;</div>
<div class="line"><span class="lineno"> 125</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;T&gt;</a> table_print(table.size());</div>
<div class="line"><span class="lineno"> 126</span> </div>
<div class="line"><span class="lineno"> 127</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; table.size(); i++) {</div>
<div class="line"><span class="lineno"> 128</span> table_print[i] = <span class="charliteral">&#39; &#39;</span>;</div>
<div class="line"><span class="lineno"> 129</span> </div>
<div class="line"><span class="lineno"> 130</span> <span class="keywordflow">if</span> (table[i] != 0) {</div>
<div class="line"><span class="lineno"> 131</span> table_print[i] = table[i];</div>
<div class="line"><span class="lineno"> 132</span> }</div>
<div class="line"><span class="lineno"> 133</span> }</div>
<div class="line"><span class="lineno"> 134</span> </div>
<div class="line"><span class="lineno"> 135</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; table.size(); i++) {</div>
<div class="line"><span class="lineno"> 136</span> <span class="keywordflow">if</span> (i % 5 == 0 &amp;&amp; i != 0) {</div>
<div class="line"><span class="lineno"> 137</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\n| &quot;</span>;</div>
<div class="line"><span class="lineno"> 138</span> }</div>
<div class="line"><span class="lineno"> 139</span> </div>
<div class="line"><span class="lineno"> 140</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; table_print[i] &lt;&lt; <span class="stringliteral">&quot; | &quot;</span>;</div>
<div class="line"><span class="lineno"> 141</span> }</div>
<div class="line"><span class="lineno"> 142</span>}</div>
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<h2 class="memtitle"><span class="permalink"><a href="#adc62ebb75853446656e24932bdc6dd6b">&#9670;&#160;</a></span>reset_data()</h2>
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template&lt;typename T &gt; </div>
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<td class="memname">void games::memory_game::reset_data </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; T &gt; &amp;&#160;</td>
<td class="paramname"><em>table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>answer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>old_answer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int *&#160;</td>
<td class="paramname"><em>memory_count</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Utility function that resets the data if the user enters an invalid value. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>The type of the table. </td></tr>
</table>
</dd>
</dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">table</td><td>The table that will be used to call <code>ask_data()</code>. </td></tr>
<tr><td class="paramname">answer</td><td>The user's answer. </td></tr>
<tr><td class="paramname">old_answer</td><td>The user's previous answer. </td></tr>
<tr><td class="paramname">memory_count</td><td>A counter to check if the user has already answered two values. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 212</span> {</div>
<div class="line"><span class="lineno"> 213</span> (*answer) = (*old_answer);</div>
<div class="line"><span class="lineno"> 214</span> (*memory_count)--;</div>
<div class="line"><span class="lineno"> 215</span> </div>
<div class="line"><span class="lineno"> 216</span> <a class="code hl_function" href="../../dd/d92/memory__game_8cpp.html#a5714d97649c0edd57b4fb449799676a3">ask_data</a>(table, answer, old_answer, memory_count);</div>
<div class="line"><span class="lineno"> 217</span>}</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a5bdc30951221eae9c33413ff9eb574f6">&#9670;&#160;</a></span>SLEEP()</h2>
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template&lt;typename T &gt; </div>
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<td class="memname">constexpr T SLEEP </td>
<td>(</td>
<td class="paramtype">T&#160;</td>
<td class="paramname"><em>seconds</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">constexpr</span></span> </td>
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<p>for sleep() </p>
<p>for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/random_shuffle.html">std::shuffle()</a> for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/random/srand.html">std::srand()</a> for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/chrono/c/time.html">std::time()</a> for IO operations for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/random/mersenne_twister_engine.html">std::mt19937</a> for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a> </p>
<div class="fragment"><div class="line"><span class="lineno"> 36</span> {</div>
<div class="line"><span class="lineno"> 37</span> <span class="keywordflow">return</span> sleep(seconds);</div>
<div class="line"><span class="lineno"> 38</span>}</div>
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