251 lines
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251 lines
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<div class="title">connected_components.cc</div> </div>
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<a href="connected__components_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// The following uses disjoint-sets algorithms, see:</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// https://en.wikipedia.org/wiki/Disjoint-set_data_structure#Disjoint-set_forests</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="connected__components_8h.html">ortools/graph/connected_components.h</a>"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <numeric></span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classDenseConnectedComponentsFinder.html#ad8e718920ab9683d39af650d714cffe1"> 34</a></span> <span class="keywordtype">void</span> <a class="code" href="classDenseConnectedComponentsFinder.html#ad8e718920ab9683d39af650d714cffe1">DenseConnectedComponentsFinder::SetNumberOfNodes</a>(<span class="keywordtype">int</span> num_nodes) {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> old_num_nodes = <a class="code" href="classDenseConnectedComponentsFinder.html#aeeb8b88902830cab41c69ef944b5694f">GetNumberOfNodes</a>();</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (num_nodes == old_num_nodes) {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  CHECK_GT(num_nodes, old_num_nodes);</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="comment">// Each new node starts as an isolated component:</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// It has itself as root.</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  parent_.resize(num_nodes);</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  std::iota(parent_.begin() + old_num_nodes, parent_.end(), old_num_nodes);</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// It's in an isolated component of size 1.</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  component_size_.resize(num_nodes, 1);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// Its rank is 0.</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  rank_.resize(num_nodes);</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// This introduces one extra component per added node.</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  num_components_ += num_nodes - old_num_nodes;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> }</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classDenseConnectedComponentsFinder.html#a5484947d25c2901c60d02ea14d0e1a06"> 52</a></span> <span class="keywordtype">int</span> <a class="code" href="classDenseConnectedComponentsFinder.html#a5484947d25c2901c60d02ea14d0e1a06">DenseConnectedComponentsFinder::FindRoot</a>(<span class="keywordtype">int</span> node) {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  DCHECK_GE(node, 0);</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  DCHECK_LT(node, <a class="code" href="classDenseConnectedComponentsFinder.html#aeeb8b88902830cab41c69ef944b5694f">GetNumberOfNodes</a>());</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Search the root.</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">int</span> root = parent_[node];</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">while</span> (parent_[root] != root) {</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  root = parent_[root];</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// Apply path compression.</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">while</span> (node != root) {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> prev_parent = parent_[node];</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  parent_[node] = root;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  node = prev_parent;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> root;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
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<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classDenseConnectedComponentsFinder.html#a3bd75ea47488e500083fd8401d833f5d"> 71</a></span> <span class="keywordtype">void</span> <a class="code" href="classDenseConnectedComponentsFinder.html#a3bd75ea47488e500083fd8401d833f5d">DenseConnectedComponentsFinder::AddEdge</a>(<span class="keywordtype">int</span> node1, <span class="keywordtype">int</span> node2) {</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// Grow if needed.</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> min_num_nodes = <a class="code" href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">std::max</a>(node1, node2) + 1;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> (min_num_nodes > <a class="code" href="classDenseConnectedComponentsFinder.html#aeeb8b88902830cab41c69ef944b5694f">GetNumberOfNodes</a>()) {</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="classDenseConnectedComponentsFinder.html#ad8e718920ab9683d39af650d714cffe1">SetNumberOfNodes</a>(min_num_nodes);</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Just union the sets for node1 and node2.</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">int</span> root1 = <a class="code" href="classDenseConnectedComponentsFinder.html#a5484947d25c2901c60d02ea14d0e1a06">FindRoot</a>(node1);</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">int</span> root2 = <a class="code" href="classDenseConnectedComponentsFinder.html#a5484947d25c2901c60d02ea14d0e1a06">FindRoot</a>(node2);</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// Already the same set.</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (root1 == root2) {</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  DCHECK_GE(num_components_, 2);</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  --num_components_;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> component_size = component_size_[root1] + component_size_[root2];</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// Attach the shallowest tree to root of the deepest one. Note that this</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// operation grows the rank of the new common root by at most one (if the two</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// trees originally have the same rank).</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (rank_[root1] > rank_[root2]) {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  parent_[root2] = root1;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  component_size_[root1] = component_size;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  parent_[root1] = root2;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  component_size_[root2] = component_size;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// If the ranks were the same then attaching just grew the rank by one.</span></div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (rank_[root1] == rank_[root2]) {</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  ++rank_[root2];</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classDenseConnectedComponentsFinder.html#a962b54327591b21cc0a9273f78906a8b"> 108</a></span> <span class="keywordtype">bool</span> <a class="code" href="classDenseConnectedComponentsFinder.html#a962b54327591b21cc0a9273f78906a8b">DenseConnectedComponentsFinder::Connected</a>(<span class="keywordtype">int</span> node1, <span class="keywordtype">int</span> node2) {</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span> (node1 < 0 || node1 >= <a class="code" href="classDenseConnectedComponentsFinder.html#aeeb8b88902830cab41c69ef944b5694f">GetNumberOfNodes</a>() || node2 < 0 ||</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  node2 >= <a class="code" href="classDenseConnectedComponentsFinder.html#aeeb8b88902830cab41c69ef944b5694f">GetNumberOfNodes</a>()) {</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> <a class="code" href="classDenseConnectedComponentsFinder.html#a5484947d25c2901c60d02ea14d0e1a06">FindRoot</a>(node1) == <a class="code" href="classDenseConnectedComponentsFinder.html#a5484947d25c2901c60d02ea14d0e1a06">FindRoot</a>(node2);</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
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<div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classDenseConnectedComponentsFinder.html#af783278e17675394e30c3de598b11169"> 116</a></span> <span class="keywordtype">int</span> <a class="code" href="classDenseConnectedComponentsFinder.html#af783278e17675394e30c3de598b11169">DenseConnectedComponentsFinder::GetSize</a>(<span class="keywordtype">int</span> node) {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (node < 0 || node >= <a class="code" href="classDenseConnectedComponentsFinder.html#aeeb8b88902830cab41c69ef944b5694f">GetNumberOfNodes</a>()) {</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> component_size_[<a class="code" href="classDenseConnectedComponentsFinder.html#a5484947d25c2901c60d02ea14d0e1a06">FindRoot</a>(node)];</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> }</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
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<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="classDenseConnectedComponentsFinder.html#a74aadb96adc6f37110393d5fbd2279c5"> 123</a></span> std::vector<int> <a class="code" href="classDenseConnectedComponentsFinder.html#a74aadb96adc6f37110393d5fbd2279c5">DenseConnectedComponentsFinder::GetComponentIds</a>() {</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  std::vector<int> component_ids(<a class="code" href="classDenseConnectedComponentsFinder.html#aeeb8b88902830cab41c69ef944b5694f">GetNumberOfNodes</a>(), -1);</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">int</span> current_component = 0;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> node = 0; node < <a class="code" href="classDenseConnectedComponentsFinder.html#aeeb8b88902830cab41c69ef944b5694f">GetNumberOfNodes</a>(); ++node) {</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">int</span>& root_component = component_ids[<a class="code" href="classDenseConnectedComponentsFinder.html#a5484947d25c2901c60d02ea14d0e1a06">FindRoot</a>(node)];</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> (root_component < 0) {</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// This is the first node in a yet unseen component.</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  root_component = current_component;</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  ++current_component;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  component_ids[node] = root_component;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> component_ids;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aalldiff__cst_8cc_html_a9d0c202d5fdd62f4fa2c613339ff168a"><div class="ttname"><a href="alldiff__cst_8cc.html#a9d0c202d5fdd62f4fa2c613339ff168a">max</a></div><div class="ttdeci">int64 max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="aclassDenseConnectedComponentsFinder_html_af783278e17675394e30c3de598b11169"><div class="ttname"><a href="classDenseConnectedComponentsFinder.html#af783278e17675394e30c3de598b11169">DenseConnectedComponentsFinder::GetSize</a></div><div class="ttdeci">int GetSize(int node)</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8cc_source.html#l00116">connected_components.cc:116</a></div></div>
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<div class="ttc" id="aclassDenseConnectedComponentsFinder_html_a3bd75ea47488e500083fd8401d833f5d"><div class="ttname"><a href="classDenseConnectedComponentsFinder.html#a3bd75ea47488e500083fd8401d833f5d">DenseConnectedComponentsFinder::AddEdge</a></div><div class="ttdeci">void AddEdge(int node1, int node2)</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8cc_source.html#l00071">connected_components.cc:71</a></div></div>
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<div class="ttc" id="aclassDenseConnectedComponentsFinder_html_a5484947d25c2901c60d02ea14d0e1a06"><div class="ttname"><a href="classDenseConnectedComponentsFinder.html#a5484947d25c2901c60d02ea14d0e1a06">DenseConnectedComponentsFinder::FindRoot</a></div><div class="ttdeci">int FindRoot(int node)</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8cc_source.html#l00052">connected_components.cc:52</a></div></div>
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<div class="ttc" id="aconnected__components_8h_html"><div class="ttname"><a href="connected__components_8h.html">connected_components.h</a></div></div>
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<div class="ttc" id="aclassDenseConnectedComponentsFinder_html_aeeb8b88902830cab41c69ef944b5694f"><div class="ttname"><a href="classDenseConnectedComponentsFinder.html#aeeb8b88902830cab41c69ef944b5694f">DenseConnectedComponentsFinder::GetNumberOfNodes</a></div><div class="ttdeci">int GetNumberOfNodes() const</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8h_source.html#l00096">connected_components.h:96</a></div></div>
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<div class="ttc" id="aclassDenseConnectedComponentsFinder_html_ad8e718920ab9683d39af650d714cffe1"><div class="ttname"><a href="classDenseConnectedComponentsFinder.html#ad8e718920ab9683d39af650d714cffe1">DenseConnectedComponentsFinder::SetNumberOfNodes</a></div><div class="ttdeci">void SetNumberOfNodes(int num_nodes)</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8cc_source.html#l00034">connected_components.cc:34</a></div></div>
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<div class="ttc" id="aclassDenseConnectedComponentsFinder_html_a962b54327591b21cc0a9273f78906a8b"><div class="ttname"><a href="classDenseConnectedComponentsFinder.html#a962b54327591b21cc0a9273f78906a8b">DenseConnectedComponentsFinder::Connected</a></div><div class="ttdeci">bool Connected(int node1, int node2)</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8cc_source.html#l00108">connected_components.cc:108</a></div></div>
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<div class="ttc" id="aclassDenseConnectedComponentsFinder_html_a74aadb96adc6f37110393d5fbd2279c5"><div class="ttname"><a href="classDenseConnectedComponentsFinder.html#a74aadb96adc6f37110393d5fbd2279c5">DenseConnectedComponentsFinder::GetComponentIds</a></div><div class="ttdeci">std::vector< int > GetComponentIds()</div><div class="ttdef"><b>Definition:</b> <a href="connected__components_8cc_source.html#l00123">connected_components.cc:123</a></div></div>
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