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<div class="headertitle"><div class="title">paranthesis_matching.cpp</div></div>
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<a href="../../dc/dc5/paranthesis__matching_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#ifdef _MSC_VER</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;string&gt;</span> <span class="comment">// Visual Studio C requires this include</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;cstring&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"><a class="line" href="../../dc/dc5/paranthesis__matching_8cpp.html#a392fb874e547e582e9c66a08a1f23326"> 16</a></span><span class="preprocessor">#define MAX 100</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="../../dc/dc5/paranthesis__matching_8cpp.html#aa37d24a036d239b3b528f13b9de880c7"> 20</a></span><span class="keywordtype">char</span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>[MAX];</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"><a class="line" href="../../dc/dc5/paranthesis__matching_8cpp.html#af4c937d823c412d99fbe60c99dbf0a4f"> 23</a></span><span class="keywordtype">int</span> <a class="code hl_variable" href="../../dc/dc5/paranthesis__matching_8cpp.html#af4c937d823c412d99fbe60c99dbf0a4f">stack_idx</a> = -1;</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="../../dc/dc5/paranthesis__matching_8cpp.html#aae41c72130114bf31204cde6873b6095"> 26</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../dc/dc5/paranthesis__matching_8cpp.html#aae41c72130114bf31204cde6873b6095">push</a>(<span class="keywordtype">char</span> ch) { <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>[++<a class="code hl_variable" href="../../dc/dc5/paranthesis__matching_8cpp.html#af4c937d823c412d99fbe60c99dbf0a4f">stack_idx</a>] = ch; }</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"><a class="line" href="../../dc/dc5/paranthesis__matching_8cpp.html#a6d25c7dfbfeb52c3cb9d1b56ab49b664"> 29</a></span><span class="keywordtype">char</span> <a class="code hl_function" href="../../dc/dc5/paranthesis__matching_8cpp.html#a6d25c7dfbfeb52c3cb9d1b56ab49b664">pop</a>() { <span class="keywordflow">return</span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>[<a class="code hl_variable" href="../../dc/dc5/paranthesis__matching_8cpp.html#af4c937d823c412d99fbe60c99dbf0a4f">stack_idx</a>--]; }</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span></div>
<div class="foldopen" id="foldopen00036" data-start="{" data-end="}">
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="../../dc/dc5/paranthesis__matching_8cpp.html#ade525d33459755a32ba21e1b6910ff21"> 36</a></span><span class="keywordtype">char</span> <a class="code hl_function" href="../../dc/dc5/paranthesis__matching_8cpp.html#ade525d33459755a32ba21e1b6910ff21">opening</a>(<span class="keywordtype">char</span> ch) {</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordflow">switch</span> (ch) {</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">case</span> <span class="charliteral">&#39;}&#39;</span>:</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">return</span> <span class="charliteral">&#39;{&#39;</span>;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">case</span> <span class="charliteral">&#39;]&#39;</span>:</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">return</span> <span class="charliteral">&#39;[&#39;</span>;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">case</span> <span class="charliteral">&#39;)&#39;</span>:</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">return</span> <span class="charliteral">&#39;(&#39;</span>;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">case</span> <span class="charliteral">&#39;&gt;&#39;</span>:</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">return</span> <span class="charliteral">&#39;&lt;&#39;</span>;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> }</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">return</span> <span class="charliteral">&#39;\0&#39;</span>;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span>}</div>
</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keywordtype">int</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#gae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> std::string <a class="code hl_function" href="../../df/d6b/namespaceciphers_1_1elliptic__curve__key__exchange.html#ac00616a4e40d3cd5cfb4da87d9ff9af0">exp</a>;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordtype">int</span> valid = 1, i = 0;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter The Expression : &quot;</span>;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> std::cin &gt;&gt; <a class="code hl_function" href="../../df/d6b/namespaceciphers_1_1elliptic__curve__key__exchange.html#ac00616a4e40d3cd5cfb4da87d9ff9af0">exp</a>;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">while</span> (valid == 1 &amp;&amp; i &lt; <a class="code hl_function" href="../../df/d6b/namespaceciphers_1_1elliptic__curve__key__exchange.html#ac00616a4e40d3cd5cfb4da87d9ff9af0">exp</a>.length()) {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">if</span> (exp[i] == <span class="charliteral">&#39;(&#39;</span> || exp[i] == <span class="charliteral">&#39;{&#39;</span> || exp[i] == <span class="charliteral">&#39;[&#39;</span> || exp[i] == <span class="charliteral">&#39;&lt;&#39;</span>) {</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_function" href="../../dc/dc5/paranthesis__matching_8cpp.html#aae41c72130114bf31204cde6873b6095">push</a>(exp[i]);</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../dc/dc5/paranthesis__matching_8cpp.html#af4c937d823c412d99fbe60c99dbf0a4f">stack_idx</a> &gt;= 0 &amp;&amp; <a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a>[<a class="code hl_variable" href="../../dc/dc5/paranthesis__matching_8cpp.html#af4c937d823c412d99fbe60c99dbf0a4f">stack_idx</a>] == <a class="code hl_function" href="../../dc/dc5/paranthesis__matching_8cpp.html#ade525d33459755a32ba21e1b6910ff21">opening</a>(exp[i])) {</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <a class="code hl_function" href="../../dc/dc5/paranthesis__matching_8cpp.html#a6d25c7dfbfeb52c3cb9d1b56ab49b664">pop</a>();</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> valid = 0;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> }</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> i++;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> }</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// makes sure the stack is empty after processsing (above)</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">if</span> (valid == 1 &amp;&amp; <a class="code hl_variable" href="../../dc/dc5/paranthesis__matching_8cpp.html#af4c937d823c412d99fbe60c99dbf0a4f">stack_idx</a> == -1) {</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> std::cout &lt;&lt; <span class="stringliteral">&quot;\nCorrect Expression&quot;</span>;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> std::cout &lt;&lt; <span class="stringliteral">&quot;\nWrong Expression&quot;</span>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> }</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>}</div>
<div class="ttc" id="aclassstack_html"><div class="ttname"><a href="../../d1/dc2/classstack.html">stack</a></div><div class="ttdoc">for std::invalid_argument</div><div class="ttdef"><b>Definition</b> <a href="../../df/d47/stack_8hpp_source.html#l00019">stack.hpp:19</a></div></div>
<div class="ttc" id="agenerate__parentheses_8cpp_html_gae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../dd/d1e/generate__parentheses_8cpp.html#gae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="../../dd/d1e/generate__parentheses_8cpp_source.html#l00110">generate_parentheses.cpp:110</a></div></div>
<div class="ttc" id="anamespaceciphers_1_1elliptic__curve__key__exchange_html_ac00616a4e40d3cd5cfb4da87d9ff9af0"><div class="ttname"><a href="../../df/d6b/namespaceciphers_1_1elliptic__curve__key__exchange.html#ac00616a4e40d3cd5cfb4da87d9ff9af0">ciphers::elliptic_curve_key_exchange::exp</a></div><div class="ttdeci">uint256_t exp(uint256_t number, uint256_t power, const uint256_t &amp;mod)</div><div class="ttdoc">This function calculates number raised to exponent power under modulo mod using Modular Exponentiatio...</div><div class="ttdef"><b>Definition</b> <a href="../../df/d2c/elliptic__curve__key__exchange_8cpp_source.html#l00078">elliptic_curve_key_exchange.cpp:78</a></div></div>
<div class="ttc" id="aparanthesis__matching_8cpp_html_a6d25c7dfbfeb52c3cb9d1b56ab49b664"><div class="ttname"><a href="../../dc/dc5/paranthesis__matching_8cpp.html#a6d25c7dfbfeb52c3cb9d1b56ab49b664">pop</a></div><div class="ttdeci">char pop()</div><div class="ttdoc">pop a byte out of stack variable</div><div class="ttdef"><b>Definition</b> <a href="#l00029">paranthesis_matching.cpp:29</a></div></div>
<div class="ttc" id="aparanthesis__matching_8cpp_html_aae41c72130114bf31204cde6873b6095"><div class="ttname"><a href="../../dc/dc5/paranthesis__matching_8cpp.html#aae41c72130114bf31204cde6873b6095">push</a></div><div class="ttdeci">void push(char ch)</div><div class="ttdoc">push byte to stack variable</div><div class="ttdef"><b>Definition</b> <a href="#l00026">paranthesis_matching.cpp:26</a></div></div>
<div class="ttc" id="aparanthesis__matching_8cpp_html_ade525d33459755a32ba21e1b6910ff21"><div class="ttname"><a href="../../dc/dc5/paranthesis__matching_8cpp.html#ade525d33459755a32ba21e1b6910ff21">opening</a></div><div class="ttdeci">char opening(char ch)</div><div class="ttdef"><b>Definition</b> <a href="#l00036">paranthesis_matching.cpp:36</a></div></div>
<div class="ttc" id="aparanthesis__matching_8cpp_html_af4c937d823c412d99fbe60c99dbf0a4f"><div class="ttname"><a href="../../dc/dc5/paranthesis__matching_8cpp.html#af4c937d823c412d99fbe60c99dbf0a4f">stack_idx</a></div><div class="ttdeci">int stack_idx</div><div class="ttdoc">pointer to track stack index</div><div class="ttdef"><b>Definition</b> <a href="#l00023">paranthesis_matching.cpp:23</a></div></div>
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