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realstealthninja
2025-05-19 11:38:33 +00:00
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@@ -4,7 +4,7 @@
<head>
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<meta name="generator" content="Doxygen 1.12.0"/>
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<title>TheAlgorithms/C++: backtracking/wildcard_matching.cpp Source File</title>
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@@ -60,7 +60,7 @@ window.MathJax = {
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@@ -124,12 +124,13 @@ $(function(){initNavTree('dc/d14/wildcard__matching_8cpp_source.html','../../');
<div class="headertitle"><div class="title">wildcard_matching.cpp</div></div>
</div><!--header-->
<div class="contents">
<a href="../../dc/d14/wildcard__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>
<a href="../../dc/d14/wildcard__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="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;cassert&gt;</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;cstdint&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;iostream&gt;</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;vector&gt;</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../db/dc0/namespacebacktracking.html">backtracking</a> {</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a> {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"><a class="line" href="../../dc/d14/wildcard__matching_8cpp.html#a1f8c260cf0d7e22c666b85f1f71ee4a7"> 39</a></span>std::vector&lt;std::vector&lt;int64_t&gt;&gt; <a class="code hl_function" href="../../dc/d14/wildcard__matching_8cpp.html#a1f8c260cf0d7e22c666b85f1f71ee4a7">dpTable</a>(1000, std::vector&lt;int64_t&gt;(1000, -1));</div>
@@ -159,27 +160,27 @@ $(function(){initNavTree('dc/d14/wildcard__matching_8cpp_source.html','../../');
<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> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// if already calculted for these positions</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">if</span> (dpTable[pos1][pos2] != -1) {</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../dc/d14/wildcard__matching_8cpp.html#a1f8c260cf0d7e22c666b85f1f71ee4a7">dpTable</a>[pos1][pos2] != -1) {</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../dc/d14/wildcard__matching_8cpp.html#a1f8c260cf0d7e22c666b85f1f71ee4a7">dpTable</a>[pos1][pos2];</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// if the characters are same just go ahead in both the string</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">if</span> (s[pos1] == p[pos2]) {</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../dc/d14/wildcard__matching_8cpp.html#a1f8c260cf0d7e22c666b85f1f71ee4a7">dpTable</a>[pos1][pos2] =</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_namespace" href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a>(s, p, pos1 + 1, pos2 + 1);</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> wildcard_matching(s, p, pos1 + 1, pos2 + 1);</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> }</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// can only single character</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">if</span> (p[pos2] == <span class="charliteral">&#39;?&#39;</span>) {</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../dc/d14/wildcard__matching_8cpp.html#a1f8c260cf0d7e22c666b85f1f71ee4a7">dpTable</a>[pos1][pos2] =</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <a class="code hl_namespace" href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a>(s, p, pos1 + 1, pos2 + 1);</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> wildcard_matching(s, p, pos1 + 1, pos2 + 1);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> }</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// have choice either to match one or more charcters</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (p[pos2] == <span class="charliteral">&#39;*&#39;</span>) {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../dc/d14/wildcard__matching_8cpp.html#a1f8c260cf0d7e22c666b85f1f71ee4a7">dpTable</a>[pos1][pos2] =</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <a class="code hl_namespace" href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a>(s, p, pos1, pos2 + 1) ||</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_namespace" href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a>(s, p, pos1 + 1, pos2);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> wildcard_matching(s, p, pos1, pos2 + 1) ||</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> wildcard_matching(s, p, pos1 + 1, pos2);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> }</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// not possible to match</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">else</span> {</div>
@@ -190,7 +191,7 @@ $(function(){initNavTree('dc/d14/wildcard__matching_8cpp_source.html','../../');
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>} <span class="comment">// namespace wildcard_matching</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span>} <span class="comment">// namespace backtracking</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span></div>
<div class="foldopen" id="foldopen00102" data-start="{" data-end="}">
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"><a class="line" href="../../dc/d14/wildcard__matching_8cpp.html#aa8dca7b867074164d5f45b0f3851269d"> 102</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../dc/d14/wildcard__matching_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>() {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// 1st test</span></div>
@@ -239,7 +240,7 @@ $(function(){initNavTree('dc/d14/wildcard__matching_8cpp_source.html','../../');
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> std::cout &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span>}</div>
</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span></div>
<div class="foldopen" id="foldopen00153" data-start="{" data-end="}">
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"><a class="line" href="../../dc/d14/wildcard__matching_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 153</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../dc/d14/wildcard__matching_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <a class="code hl_function" href="../../dc/d14/wildcard__matching_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
@@ -257,7 +258,7 @@ $(function(){initNavTree('dc/d14/wildcard__matching_8cpp_source.html','../../');
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="../../dir_c11585dfcef32a26e29098facab6c144.html">backtracking</a></li><li class="navelem"><a class="el" href="../../dc/d14/wildcard__matching_8cpp.html">wildcard_matching.cpp</a></li>
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="../../doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.12.0 </li>
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