1 | #include <iostream> |
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2 | #include <vector> |
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3 | #include <string> |
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4 | |
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5 | #include <list_graph.hh> |
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6 | #include <bfs_iterator.hh> |
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7 | #include <graph_wrapper.h> |
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8 | |
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9 | using namespace hugo; |
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10 | |
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11 | int main (int, char*[]) |
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12 | { |
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13 | typedef ListGraph::NodeIt NodeIt; |
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14 | typedef ListGraph::EdgeIt EdgeIt; |
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15 | typedef ListGraph::EachNodeIt EachNodeIt; |
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16 | typedef ListGraph::EachEdgeIt EachEdgeIt; |
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17 | typedef ListGraph::OutEdgeIt OutEdgeIt; |
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18 | typedef ListGraph::InEdgeIt InEdgeIt; |
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19 | typedef ListGraph::SymEdgeIt SymEdgeIt; |
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20 | |
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21 | ListGraph G; |
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22 | |
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23 | NodeIt s=G.addNode(); |
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24 | NodeIt v1=G.addNode(); |
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25 | NodeIt v2=G.addNode(); |
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26 | NodeIt v3=G.addNode(); |
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27 | NodeIt v4=G.addNode(); |
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28 | NodeIt t=G.addNode(); |
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29 | |
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30 | G.addEdge(s, v1); |
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31 | G.addEdge(s, v2); |
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32 | G.addEdge(v1, v2); |
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33 | G.addEdge(v2, v1); |
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34 | G.addEdge(v1, v3); |
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35 | G.addEdge(v3, v2); |
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36 | G.addEdge(v2, v4); |
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37 | G.addEdge(v4, v3); |
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38 | G.addEdge(v3, t); |
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39 | G.addEdge(v4, t); |
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40 | |
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41 | std::cout << "bfs and dfs demo on the directed graph" << std::endl; |
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42 | for(EachNodeIt i=G.first<EachNodeIt>(); i.valid(); ++i) { |
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43 | std::cout << i << ": "; |
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44 | std::cout << "out edges: "; |
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45 | for(OutEdgeIt j=G.first<OutEdgeIt>(i); j.valid(); ++j) |
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46 | std::cout << j << " "; |
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47 | std::cout << "in edges: "; |
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48 | for(InEdgeIt j=G.first<InEdgeIt>(i); j.valid(); ++j) |
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49 | std::cout << j << " "; |
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50 | std::cout << std::endl; |
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51 | } |
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52 | |
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53 | { |
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54 | std::cout << "iterator bfs demo 4 ..." << std::endl; |
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55 | BfsIterator4< ListGraph, ListGraph::OutEdgeIt, ListGraph::NodeMap<bool> > bfs(G); |
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56 | bfs.pushAndSetReached(s); |
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57 | while (!bfs.finished()) { |
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58 | if (OutEdgeIt(bfs).valid()) { |
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59 | std::cout << "OutEdgeIt: " << bfs; |
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60 | std::cout << " aNode: " << G.aNode(bfs); |
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61 | std::cout << " bNode: " << G.bNode(bfs) << " "; |
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62 | } else { |
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63 | std::cout << "OutEdgeIt: " << "invalid"; |
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64 | std::cout << " aNode: " << bfs.aNode(); |
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65 | std::cout << " bNode: " << "invalid" << " "; |
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66 | } |
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67 | if (bfs.isBNodeNewlyReached()) { |
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68 | std::cout << "bNodeIsNewlyReached "; |
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69 | } else { |
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70 | std::cout << "bNodeIsNotNewlyReached "; |
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71 | } |
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72 | if (bfs.isANodeExamined()) { |
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73 | std::cout << "aNodeIsExamined "; |
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74 | } else { |
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75 | std::cout << "aNodeIsNotExamined "; |
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76 | } |
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77 | std::cout<<std::endl; |
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78 | ++bfs; |
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79 | } |
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80 | } |
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81 | |
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82 | { |
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83 | std::cout << "iterator dfs demo 4 ..." << std::endl; |
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84 | DfsIterator4< ListGraph, ListGraph::OutEdgeIt, ListGraph::NodeMap<bool> > dfs(G); |
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85 | dfs.pushAndSetReached(s); |
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86 | while (!dfs.finished()) { |
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87 | ++dfs; |
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88 | if (OutEdgeIt(dfs).valid()) { |
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89 | std::cout << "OutEdgeIt: " << dfs; |
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90 | std::cout << " aNode: " << G.aNode(dfs); |
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91 | std::cout << " bNode: " << G.bNode(dfs) << " "; |
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92 | } else { |
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93 | std::cout << "OutEdgeIt: " << "invalid"; |
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94 | std::cout << " aNode: " << dfs.aNode(); |
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95 | std::cout << " bNode: " << "invalid" << " "; |
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96 | } |
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97 | if (dfs.isBNodeNewlyReached()) { |
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98 | std::cout << "bNodeIsNewlyReached "; |
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99 | } else { |
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100 | std::cout << "bNodeIsNotNewlyReached "; |
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101 | } |
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102 | if (dfs.isANodeExamined()) { |
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103 | std::cout << "aNodeIsExamined "; |
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104 | } else { |
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105 | std::cout << "aNodeIsNotExamined "; |
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106 | } |
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107 | std::cout<<std::endl; |
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108 | //++dfs; |
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109 | } |
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110 | } |
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111 | |
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112 | |
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113 | typedef ConstTrivGraphWrapper<ListGraph> CTGW; |
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114 | CTGW wG(G); |
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115 | |
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116 | std::cout << "bfs and dfs demo on the directed graph" << std::endl; |
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117 | for(CTGW::EachNodeIt i=wG.first<CTGW::EachNodeIt>(); i.valid(); ++i) { |
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118 | std::cout << i << ": "; |
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119 | std::cout << "out edges: "; |
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120 | for(CTGW::OutEdgeIt j=wG.first<CTGW::OutEdgeIt>(i); j.valid(); ++j) |
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121 | std::cout << j << " "; |
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122 | std::cout << "in edges: "; |
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123 | for(CTGW::InEdgeIt j=wG.first<CTGW::InEdgeIt>(i); j.valid(); ++j) |
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124 | std::cout << j << " "; |
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125 | std::cout << std::endl; |
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126 | } |
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127 | |
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128 | |
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129 | { |
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130 | std::cout << "iterator bfs demo 5 ..." << std::endl; |
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131 | BfsIterator5< CTGW, CTGW::NodeMap<bool> > bfs(wG); |
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132 | bfs.pushAndSetReached(s); |
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133 | while (!bfs.finished()) { |
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134 | if (OutEdgeIt(bfs).valid()) { |
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135 | std::cout << "OutEdgeIt: " << bfs; |
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136 | std::cout << " aNode: " << wG.aNode(bfs); |
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137 | std::cout << " bNode: " << wG.bNode(bfs) << " "; |
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138 | } else { |
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139 | std::cout << "OutEdgeIt: " << "invalid"; |
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140 | std::cout << " aNode: " << bfs.aNode(); |
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141 | std::cout << " bNode: " << "invalid" << " "; |
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142 | } |
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143 | if (bfs.isBNodeNewlyReached()) { |
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144 | std::cout << "bNodeIsNewlyReached "; |
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145 | } else { |
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146 | std::cout << "bNodeIsNotNewlyReached "; |
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147 | } |
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148 | if (bfs.isANodeExamined()) { |
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149 | std::cout << "aNodeIsExamined "; |
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150 | } else { |
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151 | std::cout << "aNodeIsNotExamined "; |
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152 | } |
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153 | std::cout<<std::endl; |
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154 | ++bfs; |
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155 | } |
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156 | } |
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157 | |
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158 | |
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159 | return 0; |
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160 | } |
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