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<div id="projectbrief">Set of algorithms implemented in C++.</div>
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<div class="headertitle"><div class="title">backtracking Namespace Reference</div></div>
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<p>for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>
<a href="../../db/dc0/namespacebacktracking.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a78540bcb5ef3473b2348cbc34748ec50"><td class="memTemplParams" colspan="2">template&lt;size_t T&gt; </td></tr>
<tr class="memitem:a78540bcb5ef3473b2348cbc34748ec50"><td class="memTemplItemLeft" align="right" valign="top">int&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../db/dc0/namespacebacktracking.html#a78540bcb5ef3473b2348cbc34748ec50">minimax</a> (int depth, int node_index, bool is_max, const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array</a>&lt; int, T &gt; &amp;scores, double <a class="el" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>)</td></tr>
<tr class="memdesc:a78540bcb5ef3473b2348cbc34748ec50"><td class="mdescLeft">&#160;</td><td class="mdescRight">Check which is the maximum/minimum number in the array. <br /></td></tr>
<tr class="separator:a78540bcb5ef3473b2348cbc34748ec50"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a> </p>
<p>Backtracking algorithms.</p>
<p>for IO operations</p>
<p>for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array</a> for IO operations</p>
<p>Backtracking algorithms</p>
<p>for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array</a></p>
<p>Backtracking algorithms</p>
<p>for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/count.html">std::count</a> for assert for IO operations for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/list.html">std::list</a> for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/accumulate.html">std::accumulate</a></p>
<p>Backtracking algorithms</p>
<p>for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>, <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a> for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array</a> for log2</p>
<p>Backtracking algorithms</p>
<p>for <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array</a> for assert</p>
<p>Backtracking algorithms</p>
<p>for assert for IO operations for unordered_map</p>
<p>Backtracking algorithms</p>
<p>for assert for IO operations</p>
<p>Backtracking algorithms</p>
<p>for assert</p>
<p>Backtracking algorithms </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a78540bcb5ef3473b2348cbc34748ec50" name="a78540bcb5ef3473b2348cbc34748ec50"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a78540bcb5ef3473b2348cbc34748ec50">&#9670;&#160;</a></span>minimax()</h2>
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<div class="memproto">
<div class="memtemplate">
template&lt;size_t T&gt; </div>
<table class="memname">
<tr>
<td class="memname">int backtracking::minimax </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>depth</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>node_index</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool&#160;</td>
<td class="paramname"><em>is_max</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array</a>&lt; int, T &gt; &amp;&#160;</td>
<td class="paramname"><em>scores</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>height</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>Check which is the maximum/minimum number in the array. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">depth</td><td>current depth in game tree </td></tr>
<tr><td class="paramname">node_index</td><td>current index in array </td></tr>
<tr><td class="paramname">is_max</td><td>if current index is the longest number </td></tr>
<tr><td class="paramname">scores</td><td>saved numbers in array </td></tr>
<tr><td class="paramname">height</td><td>maximum height for game tree </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the maximum or minimum number </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 40</span> {</div>
<div class="line"><span class="lineno"> 41</span> <span class="keywordflow">if</span> (depth == <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>) {</div>
<div class="line"><span class="lineno"> 42</span> <span class="keywordflow">return</span> scores[node_index];</div>
<div class="line"><span class="lineno"> 43</span> }</div>
<div class="line"><span class="lineno"> 44</span> </div>
<div class="line"><span class="lineno"> 45</span> <span class="keywordtype">int</span> v1 = minimax(depth + 1, node_index * 2, !is_max, scores, <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>);</div>
<div class="line"><span class="lineno"> 46</span> <span class="keywordtype">int</span> v2 = minimax(depth + 1, node_index * 2 + 1, !is_max, scores, <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>);</div>
<div class="line"><span class="lineno"> 47</span> </div>
<div class="line"><span class="lineno"> 48</span> <span class="keywordflow">return</span> is_max ? <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(v1, v2) : <a class="code hl_namespace" href="../../d8/dcc/namespacestd.html">std</a>::min(v1, v2);</div>
<div class="line"><span class="lineno"> 49</span>}</div>
<div class="ttc" id="aavltree_8cpp_html_ae4a66d8b0c2b0d626aea45977e358c83"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a></div><div class="ttdeci">int height(node *root)</div><div class="ttdef"><b>Definition:</b> avltree.cpp:31</div></div>
<div class="ttc" id="amax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a></div><div class="ttdeci">T max(T... args)</div></div>
<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="../../d8/dcc/namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
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