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245 lines
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<li><a href="../dotnet/namespaceGoogle_1_1OrTools_1_1Sat.html">CP-SAT</a></li>
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<div class="title">TspCircuitBoard.cs</div> </div>
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<div class="contents">
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<a href="TspCircuitBoard_8cs.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">// [START program]</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// [START import]</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">using</span> System;</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">using</span> System.Collections.Generic;</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using</span> <a class="code" href="namespaceGoogle.html">Google</a>.<a class="code" href="namespaceGoogle_1_1OrTools.html">OrTools</a>.<a class="code" href="namespaceGoogle_1_1OrTools_1_1ConstraintSolver.html">ConstraintSolver</a>;</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// [END import]</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="classTspCircuitBoard.html"> 26</a></span> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classTspCircuitBoard.html">TspCircuitBoard</a> {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="comment">// [START data_model]</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">class </span>DataModel {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">public</span> <span class="keywordtype">int</span>[,] Locations = {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  {288, 149}, {288, 129}, {270, 133}, {256, 141}, {256, 157}, {246, 157},</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  {236, 169}, {228, 169}, {228, 161}, {220, 169}, {212, 169}, {204, 169},</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  {196, 169}, {188, 169}, {196, 161}, {188, 145}, {172, 145}, {164, 145},</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  {156, 145}, {148, 145}, {140, 145}, {148, 169}, {164, 169}, {172, 169},</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  {156, 169}, {140, 169}, {132, 169}, {124, 169}, {116, 161}, {104, 153},</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  {104, 161}, {104, 169}, {90, 165}, {80, 157}, {64, 157}, {64, 165},</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  {56, 169}, {56, 161}, {56, 153}, {56, 145}, {56, 137}, {56, 129},</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  {56, 121}, {40, 121}, {40, 129}, {40, 137}, {40, 145}, {40, 153},</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  {40, 161}, {40, 169}, {32, 169}, {32, 161}, {32, 153}, {32, 145},</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  {32, 137}, {32, 129}, {32, 121}, {32, 113}, {40, 113}, {56, 113},</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  {56, 105}, {48, 99}, {40, 99}, {32, 97}, {32, 89}, {24, 89}, {16, 97},</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  {16, 109}, {8, 109}, {8, 97}, {8, 89}, {8, 81}, {8, 73}, {8, 65},</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {8, 57}, {16, 57}, {8, 49}, {8, 41}, {24, 45}, {32, 41}, {32, 49},</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {32, 57}, {32, 65}, {32, 73}, {32, 81}, {40, 83}, {40, 73}, {40, 63},</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  {40, 51}, {44, 43}, {44, 35}, {44, 27}, {32, 25}, {24, 25}, {16, 25},</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {16, 17}, {24, 17}, {32, 17}, {44, 11}, {56, 9}, {56, 17}, {56, 25},</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  {56, 33}, {56, 41}, {64, 41}, {72, 41}, {72, 49}, {56, 49}, {48, 51},</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  {56, 57}, {56, 65}, {48, 63}, {48, 73}, {56, 73}, {56, 81}, {48, 83},</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  {56, 89}, {56, 97}, {104, 97}, {104, 105}, {104, 113}, {104, 121},</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {104, 129}, {104, 137}, {104, 145}, {116, 145}, {124, 145}, {132, 145},</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {132, 137}, {140, 137}, {148, 137}, {156, 137}, {164, 137}, {172, 125},</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {172, 117}, {172, 109}, {172, 101}, {172, 93}, {172, 85}, {180, 85},</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {180, 77}, {180, 69}, {180, 61}, {180, 53}, {172, 53}, {172, 61},</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  {172, 69}, {172, 77}, {164, 81}, {148, 85}, {124, 85}, {124, 93},</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  {124, 109}, {124, 125}, {124, 117}, {124, 101}, {104, 89}, {104, 81},</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {104, 73}, {104, 65}, {104, 49}, {104, 41}, {104, 33}, {104, 25},</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {104, 17}, {92, 9}, {80, 9}, {72, 9}, {64, 21}, {72, 25}, {80, 25},</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  {80, 25}, {80, 41}, {88, 49}, {104, 57}, {124, 69}, {124, 77}, {132, 81},</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {140, 65}, {132, 61}, {124, 61}, {124, 53}, {124, 45}, {124, 37},</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {124, 29}, {132, 21}, {124, 21}, {120, 9}, {128, 9}, {136, 9}, {148, 9},</div>
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|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {162, 9}, {156, 25}, {172, 21}, {180, 21}, {180, 29}, {172, 29},</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  {172, 37}, {172, 45}, {180, 45}, {180, 37}, {188, 41}, {196, 49},</div>
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|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  {204, 57}, {212, 65}, {220, 73}, {228, 69}, {228, 77}, {236, 77},</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {236, 69}, {236, 61}, {228, 61}, {228, 53}, {236, 53}, {236, 45},</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  {228, 45}, {228, 37}, {236, 37}, {236, 29}, {228, 29}, {228, 21},</div>
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|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  {236, 21}, {252, 21}, {260, 29}, {260, 37}, {260, 45}, {260, 53},</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {260, 61}, {260, 69}, {260, 77}, {276, 77}, {276, 69}, {276, 61},</div>
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|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {276, 53}, {284, 53}, {284, 61}, {284, 69}, {284, 77}, {284, 85},</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {284, 93}, {284, 101}, {288, 109}, {280, 109}, {276, 101}, {276, 93},</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {276, 85}, {268, 97}, {260, 109}, {252, 101}, {260, 93}, {260, 85},</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  {236, 85}, {228, 85}, {228, 93}, {236, 93}, {236, 101}, {228, 101},</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  {228, 109}, {228, 117}, {228, 125}, {220, 125}, {212, 117}, {204, 109},</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  {196, 101}, {188, 93}, {180, 93}, {180, 101}, {180, 109}, {180, 117},</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  {180, 125}, {196, 145}, {204, 145}, {212, 145}, {220, 145}, {228, 145},</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {236, 145}, {246, 141}, {252, 125}, {260, 129}, {280, 133},</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  };</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">public</span> <span class="keywordtype">int</span> VehicleNumber = 1;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">public</span> <span class="keywordtype">int</span> Depot = 0;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  };</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// [END data_model]</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// [START euclidean_distance]</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"></span> <span class="keyword">static</span> <span class="keywordtype">long</span>[,] ComputeEuclideanDistanceMatrix(in <span class="keywordtype">int</span>[,] locations) {</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// Calculate the distance matrix using Euclidean distance.</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">int</span> locationNumber = locations.GetLength(0);</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">long</span>[,] distanceMatrix = <span class="keyword">new</span> <span class="keywordtype">long</span>[locationNumber, locationNumber];</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> fromNode = 0; fromNode < locationNumber; fromNode++) {</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> toNode = 0; toNode < locationNumber; toNode++) {</div>
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|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (fromNode == toNode)</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  distanceMatrix[fromNode, toNode] = 0;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  distanceMatrix[fromNode, toNode] = (long)</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  Math.Sqrt(</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  Math.Pow(locations[toNode, 0] - locations[fromNode, 0], 2) +</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  Math.Pow(locations[toNode, 1] - locations[fromNode, 1], 2));</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> distanceMatrix;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// [END euclidean_distance]</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>  <span class="comment">// [START solution_printer]</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"></span> <span class="keyword">static</span> <span class="keywordtype">void</span> PrintSolution(</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  in <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingModel.html">RoutingModel</a> routing,</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  in <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingIndexManager.html">RoutingIndexManager</a> manager,</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  in <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1Assignment.html">Assignment</a> solution) {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  Console.WriteLine(<span class="stringliteral">"Objective: {0}"</span>, solution.ObjectiveValue());</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// Inspect solution.</span></div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  Console.WriteLine(<span class="stringliteral">"Route:"</span>);</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">long</span> routeDistance = 0;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  var index = routing.Start(0);</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">while</span> (routing.IsEnd(index) == <span class="keyword">false</span>) {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  Console.Write(<span class="stringliteral">"{0} -> "</span>, manager.IndexToNode((<span class="keywordtype">int</span>)index));</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  var previousIndex = index;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  index = solution.Value(routing.NextVar(index));</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  routeDistance += routing.GetArcCostForVehicle(previousIndex, index, 0);</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  Console.WriteLine(<span class="stringliteral">"{0}"</span>, manager.IndexToNode((<span class="keywordtype">int</span>)index));</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  Console.WriteLine(<span class="stringliteral">"Route distance: {0}m"</span>, routeDistance);</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// [END solution_printer]</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
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<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="classTspCircuitBoard.html#a1f7e61855217a4f3ad075ae5cb5a7cff"> 130</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classTspCircuitBoard.html#a1f7e61855217a4f3ad075ae5cb5a7cff">Main</a>(String[] args) {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// Instantiate the data problem.</span></div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// [START data]</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  DataModel data = <span class="keyword">new</span> DataModel();</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// [END data]</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// Create Routing Index Manager</span></div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// [START index_manager]</span></div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingIndexManager.html">RoutingIndexManager</a> manager = <span class="keyword">new</span> <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingIndexManager.html">RoutingIndexManager</a>(</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  data.Locations.GetLength(0),</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  data.VehicleNumber,</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  data.Depot);</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// [END index_manager]</span></div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// Create Routing Model.</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// [START routing_model]</span></div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingModel.html">RoutingModel</a> routing = <span class="keyword">new</span> <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingModel.html">RoutingModel</a>(manager);</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// [END routing_model]</span></div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// Define cost of each arc.</span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// [START transit_callback]</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">long</span>[,] distanceMatrix = ComputeEuclideanDistanceMatrix(data.Locations);</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordtype">int</span> transitCallbackIndex = routing.RegisterTransitCallback(</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  (<span class="keywordtype">long</span> fromIndex, <span class="keywordtype">long</span> toIndex) => {</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// Convert from routing variable Index to distance matrix NodeIndex.</span></div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  var fromNode = manager.<a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingIndexManager.html#a3b7151f00882c98fdb3caec6ae4b56d3">IndexToNode</a>(fromIndex);</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  var toNode = manager.<a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingIndexManager.html#a3b7151f00882c98fdb3caec6ae4b56d3">IndexToNode</a>(toIndex);</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> distanceMatrix[fromNode, toNode]; }</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  );</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// [END transit_callback]</span></div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// [START arc_cost]</span></div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  routing.SetArcCostEvaluatorOfAllVehicles(transitCallbackIndex);</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">// [END arc_cost]</span></div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// Setting first solution heuristic.</span></div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// [START parameters]</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="namespaceGoogle_1_1OrTools_1_1ConstraintSolver.html#a26eec6ad2ae584152e7906e904faaba3">RoutingSearchParameters</a> searchParameters =</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1operations__research__constraint__solver.html">operations_research_constraint_solver</a>.<a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1operations__research__constraint__solver.html#af0c180fefcb881087147070e31bc2ddb">DefaultRoutingSearchParameters</a>();</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  searchParameters.FirstSolutionStrategy =</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="namespaceGoogle_1_1OrTools_1_1ConstraintSolver.html#a1fd16444b0c6d7f2cbc1358f7c03f353">FirstSolutionStrategy</a>.Types.Value.PathCheapestArc;</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">// [END parameters]</span></div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// Solve the problem.</span></div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// [START solve]</span></div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1Assignment.html">Assignment</a> solution = routing.SolveWithParameters(searchParameters);</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// [END solve]</span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// Print solution on console.</span></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// [START print_solution]</span></div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  PrintSolution(routing, manager, solution);</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// [END print_solution]</span></div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> }</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// [END program]</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassTspCircuitBoard_html"><div class="ttname"><a href="classTspCircuitBoard.html">TspCircuitBoard</a></div><div class="ttdoc">Minimal TSP.</div><div class="ttdef"><b>Definition:</b> <a href="TspCircuitBoard_8cs_source.html#l00026">TspCircuitBoard.cs:26</a></div></div>
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<div class="ttc" id="anamespaceGoogle_1_1OrTools_1_1ConstraintSolver_html"><div class="ttname"><a href="namespaceGoogle_1_1OrTools_1_1ConstraintSolver.html">Google.OrTools.ConstraintSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="Assignment_8cs_source.html#l00011">Assignment.cs:11</a></div></div>
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<div class="ttc" id="aclassGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingIndexManager_html_a3b7151f00882c98fdb3caec6ae4b56d3"><div class="ttname"><a href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingIndexManager.html#a3b7151f00882c98fdb3caec6ae4b56d3">Google.OrTools.ConstraintSolver.RoutingIndexManager.IndexToNode</a></div><div class="ttdeci">int IndexToNode(long index)</div><div class="ttdef"><b>Definition:</b> <a href="RoutingIndexManager_8cs_source.html#l00090">RoutingIndexManager.cs:90</a></div></div>
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<div class="ttc" id="anamespaceGoogle_html"><div class="ttname"><a href="namespaceGoogle.html">Google</a></div><div class="ttdef"><b>Definition:</b> <a href="algorithms_2Int64Vector_8cs_source.html#l00011">algorithms/Int64Vector.cs:11</a></div></div>
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<div class="ttc" id="aclassGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingModel_html"><div class="ttname"><a href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingModel.html">Google.OrTools.ConstraintSolver.RoutingModel</a></div><div class="ttdef"><b>Definition:</b> <a href="RoutingModel_8cs_source.html#l00018">RoutingModel.cs:18</a></div></div>
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<div class="ttc" id="aclassGoogle_1_1OrTools_1_1ConstraintSolver_1_1operations__research__constraint__solver_html"><div class="ttname"><a href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1operations__research__constraint__solver.html">Google.OrTools.ConstraintSolver.operations_research_constraint_solver</a></div><div class="ttdef"><b>Definition:</b> <a href="operations__research__constraint__solver_8cs_source.html#l00013">operations_research_constraint_solver.cs:13</a></div></div>
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<div class="ttc" id="aclassTspCircuitBoard_html_a1f7e61855217a4f3ad075ae5cb5a7cff"><div class="ttname"><a href="classTspCircuitBoard.html#a1f7e61855217a4f3ad075ae5cb5a7cff">TspCircuitBoard.Main</a></div><div class="ttdeci">static void Main(String[] args)</div><div class="ttdef"><b>Definition:</b> <a href="TspCircuitBoard_8cs_source.html#l00130">TspCircuitBoard.cs:130</a></div></div>
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<div class="ttc" id="anamespaceGoogle_1_1OrTools_1_1ConstraintSolver_html_a1fd16444b0c6d7f2cbc1358f7c03f353"><div class="ttname"><a href="namespaceGoogle_1_1OrTools_1_1ConstraintSolver.html#a1fd16444b0c6d7f2cbc1358f7c03f353">Google.OrTools.ConstraintSolver::FirstSolutionStrategy</a></div><div class="ttdeci">public global::Google OrTools ConstraintSolver FirstSolutionStrategy Types Value FirstSolutionStrategy</div><div class="ttdoc">First solution strategies, used as starting point of local search.</div><div class="ttdef"><b>Definition:</b> <a href="RoutingParameters_8pb_8cs_source.html#l00211">RoutingParameters.pb.cs:211</a></div></div>
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<div class="ttc" id="anamespaceGoogle_1_1OrTools_1_1ConstraintSolver_html_a26eec6ad2ae584152e7906e904faaba3"><div class="ttname"><a href="namespaceGoogle_1_1OrTools_1_1ConstraintSolver.html#a26eec6ad2ae584152e7906e904faaba3">Google.OrTools.ConstraintSolver::RoutingSearchParameters</a></div><div class="ttdeci">public RoutingSearchParameters(RoutingSearchParameters other)</div><div class="ttdef"><b>Definition:</b> <a href="RoutingParameters_8pb_8cs_source.html#l00165">RoutingParameters.pb.cs:165</a></div></div>
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<div class="ttc" id="aclassGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingIndexManager_html"><div class="ttname"><a href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1RoutingIndexManager.html">Google.OrTools.ConstraintSolver.RoutingIndexManager</a></div><div class="ttdef"><b>Definition:</b> <a href="RoutingIndexManager_8cs_source.html#l00018">RoutingIndexManager.cs:18</a></div></div>
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<div class="ttc" id="aclassGoogle_1_1OrTools_1_1ConstraintSolver_1_1operations__research__constraint__solver_html_af0c180fefcb881087147070e31bc2ddb"><div class="ttname"><a href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1operations__research__constraint__solver.html#af0c180fefcb881087147070e31bc2ddb">Google.OrTools.ConstraintSolver.operations_research_constraint_solver.DefaultRoutingSearchParameters</a></div><div class="ttdeci">static Google.OrTools.ConstraintSolver.RoutingSearchParameters DefaultRoutingSearchParameters()</div><div class="ttdef"><b>Definition:</b> <a href="operations__research__constraint__solver_8cs_source.html#l00106">operations_research_constraint_solver.cs:106</a></div></div>
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<div class="ttc" id="aclassGoogle_1_1OrTools_1_1ConstraintSolver_1_1Assignment_html"><div class="ttname"><a href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1Assignment.html">Google.OrTools.ConstraintSolver.Assignment</a></div><div class="ttdef"><b>Definition:</b> <a href="Assignment_8cs_source.html#l00018">Assignment.cs:18</a></div></div>
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<div class="ttc" id="anamespaceGoogle_1_1OrTools_html"><div class="ttname"><a href="namespaceGoogle_1_1OrTools.html">Google.OrTools</a></div><div class="ttdef"><b>Definition:</b> <a href="algorithms_2Int64Vector_8cs_source.html#l00011">algorithms/Int64Vector.cs:11</a></div></div>
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