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<div class="headertitle"><div class="title">stack_using_queue.cpp</div></div>
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<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;cassert&gt;</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;cstdint&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;iostream&gt;</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;queue&gt;</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d5/d3c/namespacedata__structures.html">data_structures</a> {</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../df/d1c/namespacestack__using__queue.html">stack_using_queue</a> {</div>
<div class="foldopen" id="foldopen00031" data-start="{" data-end="};">
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"><a class="line" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html"> 31</a></span><span class="keyword">struct </span><a class="code hl_struct" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html">Stack</a> {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#acf8ca54d5dd6676f255fff3dedacc7c6"> 32</a></span> std::queue&lt;int64_t&gt; <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#acf8ca54d5dd6676f255fff3dedacc7c6">main_q</a>; </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a2f80f87fc6f6ded938426698bba89323"> 33</a></span> std::queue&lt;int64_t&gt; <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a2f80f87fc6f6ded938426698bba89323">auxiliary_q</a>; </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#afdfd2f4418c70b1bda50f2c3e416d80b"> 35</a></span> uint32_t <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#afdfd2f4418c70b1bda50f2c3e416d80b">current_size</a> = 0; </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a5540434e1b41245205eee86f664906f7"> 41</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a5540434e1b41245205eee86f664906f7">top</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#acf8ca54d5dd6676f255fff3dedacc7c6">main_q</a>.front(); }</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span></div>
<div class="foldopen" id="foldopen00048" data-start="{" data-end="}">
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#af04a8f3536a52d8c9916086b656eefc2"> 48</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#af04a8f3536a52d8c9916086b656eefc2">push</a>(<span class="keywordtype">int</span> val) {</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a2f80f87fc6f6ded938426698bba89323">auxiliary_q</a>.push(val);</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">while</span> (!<a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#acf8ca54d5dd6676f255fff3dedacc7c6">main_q</a>.empty()) {</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a2f80f87fc6f6ded938426698bba89323">auxiliary_q</a>.push(<a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#acf8ca54d5dd6676f255fff3dedacc7c6">main_q</a>.front());</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#acf8ca54d5dd6676f255fff3dedacc7c6">main_q</a>.pop();</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> }</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> swap(<a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#acf8ca54d5dd6676f255fff3dedacc7c6">main_q</a>, <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a2f80f87fc6f6ded938426698bba89323">auxiliary_q</a>);</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#afdfd2f4418c70b1bda50f2c3e416d80b">current_size</a>++;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> }</div>
</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span></div>
<div class="foldopen" id="foldopen00062" data-start="{" data-end="}">
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#abdd461689df4983a3ad3b05d853cf5eb"> 62</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#abdd461689df4983a3ad3b05d853cf5eb">pop</a>() {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#acf8ca54d5dd6676f255fff3dedacc7c6">main_q</a>.empty()) {</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">return</span>;</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> <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#acf8ca54d5dd6676f255fff3dedacc7c6">main_q</a>.pop();</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#afdfd2f4418c70b1bda50f2c3e416d80b">current_size</a>--;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#ac0ddec9ab8f778dad23ec446d7a77b39"> 74</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#ac0ddec9ab8f778dad23ec446d7a77b39">size</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#afdfd2f4418c70b1bda50f2c3e416d80b">current_size</a>; }</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>};</div>
</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span>} <span class="comment">// namespace stack_using_queue</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span>} <span class="comment">// namespace data_structures</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>() {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <a class="code hl_struct" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html">data_structures::stack_using_queue::Stack</a> s;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#af04a8f3536a52d8c9916086b656eefc2">push</a>(1); </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#af04a8f3536a52d8c9916086b656eefc2">push</a>(2); </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#af04a8f3536a52d8c9916086b656eefc2">push</a>(3); </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> assert(s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#ac0ddec9ab8f778dad23ec446d7a77b39">size</a>() == 3); </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> assert(s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a5540434e1b41245205eee86f664906f7">top</a>() == 3); </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#abdd461689df4983a3ad3b05d853cf5eb">pop</a>(); </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> assert(s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a5540434e1b41245205eee86f664906f7">top</a>() == 2); </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#abdd461689df4983a3ad3b05d853cf5eb">pop</a>(); </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> assert(s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a5540434e1b41245205eee86f664906f7">top</a>() == 1);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#af04a8f3536a52d8c9916086b656eefc2">push</a>(5); </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> assert(s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a5540434e1b41245205eee86f664906f7">top</a>() == 5); </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#abdd461689df4983a3ad3b05d853cf5eb">pop</a>(); </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> assert(s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a5540434e1b41245205eee86f664906f7">top</a>() == 1); </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> assert(s.<a class="code hl_function" href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#ac0ddec9ab8f778dad23ec446d7a77b39">size</a>() == 1); </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>}</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</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="l00117" name="l00117"></a><span class="lineno"> 117</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span>}</div>
<div class="ttc" id="agenerate__parentheses_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../dd/d1e/generate__parentheses_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Self-test implementations.</div><div class="ttdef"><b>Definition</b> <a href="../../dd/d1e/generate__parentheses_8cpp_source.html#l00082">generate_parentheses.cpp:82</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="anamespacedata__structures_html"><div class="ttname"><a href="../../d5/d3c/namespacedata__structures.html">data_structures</a></div><div class="ttdoc">for IO operations</div></div>
<div class="ttc" id="anamespacestack__using__queue_html"><div class="ttname"><a href="../../df/d1c/namespacestack__using__queue.html">stack_using_queue</a></div><div class="ttdoc">Functions for the Stack Using Queue implementation.</div></div>
<div class="ttc" id="astructdata__structures_1_1stack__using__queue_1_1_stack_html"><div class="ttname"><a href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html">data_structures::stack_using_queue::Stack</a></div><div class="ttdoc">Stack Class implementation for basic methods of Stack Data Structure.</div><div class="ttdef"><b>Definition</b> <a href="#l00031">stack_using_queue.cpp:31</a></div></div>
<div class="ttc" id="astructdata__structures_1_1stack__using__queue_1_1_stack_html_a2f80f87fc6f6ded938426698bba89323"><div class="ttname"><a href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a2f80f87fc6f6ded938426698bba89323">data_structures::stack_using_queue::Stack::auxiliary_q</a></div><div class="ttdeci">std::queue&lt; int64_t &gt; auxiliary_q</div><div class="ttdef"><b>Definition</b> <a href="#l00033">stack_using_queue.cpp:33</a></div></div>
<div class="ttc" id="astructdata__structures_1_1stack__using__queue_1_1_stack_html_a5540434e1b41245205eee86f664906f7"><div class="ttname"><a href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#a5540434e1b41245205eee86f664906f7">data_structures::stack_using_queue::Stack::top</a></div><div class="ttdeci">int top()</div><div class="ttdef"><b>Definition</b> <a href="#l00041">stack_using_queue.cpp:41</a></div></div>
<div class="ttc" id="astructdata__structures_1_1stack__using__queue_1_1_stack_html_abdd461689df4983a3ad3b05d853cf5eb"><div class="ttname"><a href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#abdd461689df4983a3ad3b05d853cf5eb">data_structures::stack_using_queue::Stack::pop</a></div><div class="ttdeci">void pop()</div><div class="ttdoc">Removes the topmost element from the stack.</div><div class="ttdef"><b>Definition</b> <a href="#l00062">stack_using_queue.cpp:62</a></div></div>
<div class="ttc" id="astructdata__structures_1_1stack__using__queue_1_1_stack_html_ac0ddec9ab8f778dad23ec446d7a77b39"><div class="ttname"><a href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#ac0ddec9ab8f778dad23ec446d7a77b39">data_structures::stack_using_queue::Stack::size</a></div><div class="ttdeci">int size()</div><div class="ttdoc">Utility function to return the current size of the stack.</div><div class="ttdef"><b>Definition</b> <a href="#l00074">stack_using_queue.cpp:74</a></div></div>
<div class="ttc" id="astructdata__structures_1_1stack__using__queue_1_1_stack_html_acf8ca54d5dd6676f255fff3dedacc7c6"><div class="ttname"><a href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#acf8ca54d5dd6676f255fff3dedacc7c6">data_structures::stack_using_queue::Stack::main_q</a></div><div class="ttdeci">std::queue&lt; int64_t &gt; main_q</div><div class="ttdoc">stores the current state of the stack</div><div class="ttdef"><b>Definition</b> <a href="#l00032">stack_using_queue.cpp:32</a></div></div>
<div class="ttc" id="astructdata__structures_1_1stack__using__queue_1_1_stack_html_af04a8f3536a52d8c9916086b656eefc2"><div class="ttname"><a href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#af04a8f3536a52d8c9916086b656eefc2">data_structures::stack_using_queue::Stack::push</a></div><div class="ttdeci">void push(int val)</div><div class="ttdoc">Inserts an element to the top of the stack.</div><div class="ttdef"><b>Definition</b> <a href="#l00048">stack_using_queue.cpp:48</a></div></div>
<div class="ttc" id="astructdata__structures_1_1stack__using__queue_1_1_stack_html_afdfd2f4418c70b1bda50f2c3e416d80b"><div class="ttname"><a href="../../db/d5b/structdata__structures_1_1stack__using__queue_1_1_stack.html#afdfd2f4418c70b1bda50f2c3e416d80b">data_structures::stack_using_queue::Stack::current_size</a></div><div class="ttdeci">uint32_t current_size</div><div class="ttdoc">stores the current size of the stack</div><div class="ttdef"><b>Definition</b> <a href="#l00035">stack_using_queue.cpp:35</a></div></div>
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