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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include &lt;array&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//#include &lt;boost/multiprecision/cpp_int.hpp&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// using namespace boost::multiprecision;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="keyword">const</span> <span class="keywordtype">int</span> mx = 1e6 + 5;</div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="keyword">using </span><a class="code hl_define" href="../../d7/d35/matrix__exponentiation_8cpp.html#ae1d1ec9482079231e898236e2b23c9ba">ll</a> = int64_t;</div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span>std::array&lt;ll, mx&gt; parent;</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><a class="code hl_define" href="../../d7/d35/matrix__exponentiation_8cpp.html#ae1d1ec9482079231e898236e2b23c9ba">ll</a> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, edge;</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span>std::vector&lt;std::pair&lt;ll, std::pair&lt;ll, ll&gt;&gt;&gt; edges;</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="keywordtype">void</span> initial() {</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> + edge; ++i) {</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> parent[i] = i;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> }</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span>}</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="keywordtype">int</span> root(<span class="keywordtype">int</span> i) {</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keywordflow">while</span> (parent[i] != i) {</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> parent[i] = parent[parent[i]];</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> i = parent[i];</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> }</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <span class="keywordflow">return</span> i;</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span>}</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keywordtype">void</span> join(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="keywordtype">int</span> root_x = root(x); <span class="comment">// Disjoint set union by rank</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keywordtype">int</span> root_y = root(y);</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> parent[root_x] = root_y;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>}</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><a class="code hl_define" href="../../d7/d35/matrix__exponentiation_8cpp.html#ae1d1ec9482079231e898236e2b23c9ba">ll</a> kruskal() {</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <a class="code hl_define" href="../../d7/d35/matrix__exponentiation_8cpp.html#ae1d1ec9482079231e898236e2b23c9ba">ll</a> mincost = 0;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; edge; ++i) {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <a class="code hl_define" href="../../d7/d35/matrix__exponentiation_8cpp.html#ae1d1ec9482079231e898236e2b23c9ba">ll</a> x = edges[i].second.first;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <a class="code hl_define" href="../../d7/d35/matrix__exponentiation_8cpp.html#ae1d1ec9482079231e898236e2b23c9ba">ll</a> y = edges[i].second.second;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">if</span> (root(x) != root(y)) {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> mincost += edges[i].first;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> join(x, y);</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> }</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> }</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">return</span> mincost;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>}</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</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="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordtype">int</span> from = 0, to = 0, cost = 0, totalcost = 0;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> std::cin &gt;&gt; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> &gt;&gt; edge; <span class="comment">// Enter the nodes and edges</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> == 0 &amp;&amp; edge == 0) {</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">break</span>; <span class="comment">// Enter 0 0 to break out</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> }</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> initial(); <span class="comment">// Initialise the parent array</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; edge; ++i) {</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> std::cin &gt;&gt; from &gt;&gt; to &gt;&gt; cost;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> edges.emplace_back(make_pair(cost, std::make_pair(from, to)));</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> totalcost += cost;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> }</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> sort(edges.begin(), edges.end());</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> std::cout &lt;&lt; kruskal() &lt;&lt; std::endl;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> edges.clear();</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> }</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span>}</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="amatrix__exponentiation_8cpp_html_ae1d1ec9482079231e898236e2b23c9ba"><div class="ttname"><a href="../../d7/d35/matrix__exponentiation_8cpp.html#ae1d1ec9482079231e898236e2b23c9ba">ll</a></div><div class="ttdeci">#define ll</div><div class="ttdef"><b>Definition</b> <a href="../../d7/d35/matrix__exponentiation_8cpp_source.html#l00033">matrix_exponentiation.cpp:33</a></div></div>
<div class="ttc" id="astructnode_html"><div class="ttname"><a href="../../d5/da1/structnode.html">node</a></div><div class="ttdef"><b>Definition</b> <a href="../../d3/d26/binary__search__tree_8cpp_source.html#l00011">binary_search_tree.cpp:11</a></div></div>
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