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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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<p><a href="https://projecteuler.net/problem=5">Problem 5</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:a59347107cbfdf48d51108e50280e760d"><td class="memItemLeft" align="right" valign="top">unsigned long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/de7/problem__5_2sol_8c.html#a59347107cbfdf48d51108e50280e760d">gcd</a> (unsigned long a, unsigned long b)</td></tr>
<tr class="separator:a59347107cbfdf48d51108e50280e760d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae9606f1867e9921867d6572f51377b4c"><td class="memItemLeft" align="right" valign="top">unsigned long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/de7/problem__5_2sol_8c.html#ae9606f1867e9921867d6572f51377b4c">lcm</a> (unsigned long a, unsigned long b)</td></tr>
<tr class="separator:ae9606f1867e9921867d6572f51377b4c"><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="../../df/de7/problem__5_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=5">Problem 5</a> solution </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a59347107cbfdf48d51108e50280e760d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a59347107cbfdf48d51108e50280e760d">&#9670;&nbsp;</a></span>gcd()</h2>
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<td class="memname">unsigned long gcd </td>
<td>(</td>
<td class="paramtype">unsigned long&#160;</td>
<td class="paramname"><em>a</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned long&#160;</td>
<td class="paramname"><em>b</em>&#160;</td>
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<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>Compute <a href="https://en.wikipedia.org/wiki/Greatest_common_divisor">Greatest Common Divisor (GCD)</a> of two numbers using Euclids algorithm </p>
<div class="fragment"><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;{</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> r;</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <span class="keywordflow">if</span> (a &gt; b)</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="keywordtype">unsigned</span> <span class="keywordtype">long</span> t = a;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; a = b;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; b = t;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; }</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; <span class="keywordflow">while</span> ((r = (a % b)))</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; {</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; a = b;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; b = r;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; }</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="keywordflow">return</span> b;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;}</div>
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<a id="ae9606f1867e9921867d6572f51377b4c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae9606f1867e9921867d6572f51377b4c">&#9670;&nbsp;</a></span>lcm()</h2>
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<td class="memname">unsigned long lcm </td>
<td>(</td>
<td class="paramtype">unsigned long&#160;</td>
<td class="paramname"><em>a</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned long&#160;</td>
<td class="paramname"><em>b</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>Compute <a href="https://en.wikipedia.org/wiki/Least_common_multiple">Least Common Multiple (LCM)</a> of two numbers </p>
<div class="fragment"><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;{</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> p = (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> long)a * b;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordflow">return</span> p / <a class="code" href="../../df/de7/problem__5_2sol_8c.html#a59347107cbfdf48d51108e50280e760d">gcd</a>(a, b);</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</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>
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<p>Main function </p>
<div class="fragment"><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;{</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ans = 1;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> i;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordflow">for</span> (i = 1; i &lt;= 20; i++)</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; ans = <a class="code" href="../../df/de7/problem__5_2sol_8c.html#ae9606f1867e9921867d6572f51377b4c">lcm</a>(ans, i);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; }</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; printf(<span class="stringliteral">&quot;%lu\n&quot;</span>, ans);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;}</div>
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<div class="ttc" id="aproblem__5_2sol_8c_html_ae9606f1867e9921867d6572f51377b4c"><div class="ttname"><a href="../../df/de7/problem__5_2sol_8c.html#ae9606f1867e9921867d6572f51377b4c">lcm</a></div><div class="ttdeci">unsigned long lcm(unsigned long a, unsigned long b)</div><div class="ttdef"><b>Definition:</b> sol.c:31</div></div>
<div class="ttc" id="aproblem__5_2sol_8c_html_a59347107cbfdf48d51108e50280e760d"><div class="ttname"><a href="../../df/de7/problem__5_2sol_8c.html#a59347107cbfdf48d51108e50280e760d">gcd</a></div><div class="ttdeci">unsigned long gcd(unsigned long a, unsigned long b)</div><div class="ttdef"><b>Definition:</b> sol.c:11</div></div>
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