TheAlgorithms-C/d0/d6c/problem__4_2sol_8c.html
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&#160;<span id="projectnumber">1.0.0</span>
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<div id="projectbrief">Set of algorithms implemented in C.</div>
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<div class="title">sol.c File Reference</div> </div>
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<p><a href="https://projecteuler.net/problem=4">Problem 4</a> solution
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;stdio.h&gt;</code><br />
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Include dependency graph for sol.c:</div>
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Functions</h2></td></tr>
<tr class="memitem:adf9bea8d35848959bde5b3f277edf0c4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d6c/problem__4_2sol_8c.html#adf9bea8d35848959bde5b3f277edf0c4">is_palindromic</a> (unsigned int n)</td></tr>
<tr class="separator:adf9bea8d35848959bde5b3f277edf0c4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a840291bc02cba5474a4cb46a9b9566fe"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d6c/problem__4_2sol_8c.html#a840291bc02cba5474a4cb46a9b9566fe">main</a> (void)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a href="https://projecteuler.net/problem=4">Problem 4</a> solution </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="adf9bea8d35848959bde5b3f277edf0c4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adf9bea8d35848959bde5b3f277edf0c4">&#9670;&nbsp;</a></span>is_palindromic()</h2>
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<td class="memname">int is_palindromic </td>
<td>(</td>
<td class="paramtype">unsigned int&#160;</td>
<td class="paramname"><em>n</em></td><td>)</td>
<td></td>
</tr>
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<p>Check if number is palindromic </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">n</td><td>number to check </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if palindromic </dd>
<dd>
0 if not palindromic </dd></dl>
<div class="fragment"><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;{</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> reversed = 0, t = n;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="keywordflow">while</span> (t &gt; 0)</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; {</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; reversed = 10 * reversed + (t % 10);</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; t /= 10;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; }</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <span class="keywordflow">return</span> reversed == n;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;}</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a840291bc02cba5474a4cb46a9b9566fe">&#9670;&nbsp;</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>
<div class="fragment"><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;{</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, j, <a class="code" href="../../d2/df6/kohonen__som__topology_8c.html#affe776513b24d84b39af8ab0930fef7f">max</a> = 0;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keywordflow">for</span> (i = 100; i &lt;= 999; i++)</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="keywordflow">for</span> (j = 100; j &lt;= 999; j++)</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> p = i * j;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../d0/d6c/problem__4_2sol_8c.html#adf9bea8d35848959bde5b3f277edf0c4">is_palindromic</a>(p) &amp;&amp; p &gt; <a class="code" href="../../d2/df6/kohonen__som__topology_8c.html#affe776513b24d84b39af8ab0930fef7f">max</a>)</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <a class="code" href="../../d2/df6/kohonen__som__topology_8c.html#affe776513b24d84b39af8ab0930fef7f">max</a> = p;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; }</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; }</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; printf(<span class="stringliteral">&quot;%u\n&quot;</span>, <a class="code" href="../../d2/df6/kohonen__som__topology_8c.html#affe776513b24d84b39af8ab0930fef7f">max</a>);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;}</div>
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<div class="ttc" id="aproblem__4_2sol_8c_html_adf9bea8d35848959bde5b3f277edf0c4"><div class="ttname"><a href="../../d0/d6c/problem__4_2sol_8c.html#adf9bea8d35848959bde5b3f277edf0c4">is_palindromic</a></div><div class="ttdeci">int is_palindromic(unsigned int n)</div><div class="ttdef"><b>Definition:</b> sol.c:12</div></div>
<div class="ttc" id="akohonen__som__topology_8c_html_affe776513b24d84b39af8ab0930fef7f"><div class="ttname"><a href="../../d2/df6/kohonen__som__topology_8c.html#affe776513b24d84b39af8ab0930fef7f">max</a></div><div class="ttdeci">#define max(a, b)</div><div class="ttdef"><b>Definition:</b> kohonen_som_topology.c:31</div></div>
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