{"id":308,"date":"2011-10-09T14:07:10","date_gmt":"2011-10-09T06:07:10","guid":{"rendered":"http:\/\/wangkaixuan.tech\/?p=308"},"modified":"2020-06-06T14:08:22","modified_gmt":"2020-06-06T06:08:22","slug":"%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84_%e5%9b%be_%e6%9c%80%e5%b0%8f%e7%94%9f%e6%88%90%e6%a0%91%e7%ae%97%e6%b3%95%e4%b9%8bkruskal%e7%ae%97%e6%b3%95","status":"publish","type":"post","link":"http:\/\/www.wangkaixuan.tech\/?p=308","title":{"rendered":"\u6570\u636e\u7ed3\u6784_\u56fe_\u6700\u5c0f\u751f\u6210\u6811\u7b97\u6cd5\u4e4bKruskal\u7b97\u6cd5"},"content":{"rendered":"\n

\u6700\u5c0f\u751f\u6210\u6811\u7684\u7ecf\u5178\u7b97\u6cd5\uff0c\u7528\u5230\u4e86\u6811\u4e0e\u7b49\u4ef7\u7684\u77e5\u8bc6\uff0c\u5177\u4f53\u53c2\u89c1\u4e25\u851a\u654f\u6570\u636e\u7ed3\u6784P175\u5177\u4f53\u5185\u5bb9\u3002<\/p>\n\n\n\n

head.h<\/p>\n\n\n\n

#include<iostream>\n#include<algorithm>\nusing namespace std;\n\n#define MAX_VEX_NUM 20\n#define MAX_EDGE_NUM MAX_VEX_NUM*MAX_VEX_NUM\/2\n\nclass VexNode \/\/\u9876\u70b9\u7c7b\u8bb0\u5f55\u4e00\u4e2a\u9876\u70b9\n{\npublic:\n\tVexNode();\n\tint father; \/\/\u7236\u8282\u70b9\u4f4d\u7f6e\n\tchar name; \/\/\u8282\u70b9\u540d\u5b57\n\tint memnum; \/\/\u5f53\u524d\u8282\u70b9\u6240\u5728\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u4e2a\u6570\n};\n\nVexNode::VexNode()\n{\n\tfather = -1;\n\tmemnum = 1;\n}\n\nclass VexBox \/\/\u9876\u70b9\u96c6\u5408\u7c7b\n{\npublic:\n\tVexBox();\n\tVexNode vexbox[MAX_VEX_NUM];\n\tint vexnum; \/\/\u9876\u70b9\u6570\u76ee\n};\n\nVexBox::VexBox()\n{\n\tvexnum = 0;\n}\n\nclass EdgeNode \/\/\u8fb9\u8282\u70b9\u7c7b\n{\npublic:\n\tEdgeNode();\n\tint vexnum1; \/\/\u8fb9\u8fde\u63a5\u7684\u4e24\u4e2a\u9876\u70b9\u7684\u7f16\u53f7\n\tint vexnum2;\n\tint weight; \/\/\u8fb9\u7684\u6743\u91cd\n};\n\nEdgeNode::EdgeNode()\n{\n\tweight = 0;\n}\n\nclass EdgeBox \/\/\u8fb9\u7684\u96c6\u5408\n{\npublic:\n\tEdgeBox();\n\tEdgeNode edgebox[MAX_EDGE_NUM];\n\tint edgenum;\n};\n\nEdgeBox::EdgeBox()\n{\n\tedgenum = 0;\n}\n\nclass Kruskal \/\/Kruskal\u7b97\u6cd5\u5b9e\u73b0\u7c7b\n{\npublic:\n\tvoid GetKruskal(); \/\/\u63a5\u53e3\u51fd\u6570\nprivate:\n\tvoid GetVex(); \/\/\u5f97\u5230\u9876\u70b9\u4fe1\u606f\n\tvoid GetEdge(); \/\/\u5f97\u5230\u8fb9\u7684\u4fe1\u606f\n\tvoid BuildTree(); \/\/\u5efa\u7acb\u751f\u6210\u6811\n\tint GetRoot(int); \/\/\u5f97\u5230\u4ee5\u6811\u8868\u793a\u7684\u96c6\u5408\u7684\u6839\u8282\u70b9\n\tVexBox v;\n\tEdgeBox e;\n};\n\nvoid Kruskal::GetKruskal() \/\/\u63a5\u53e3\u51fd\u6570\n{\n\tGetVex(); \/\/\u5f97\u5230\u9876\u70b9\u4fe1\u606f\n\tGetEdge(); \/\/\u5f97\u5230\u8fb9\u7684\u4fe1\u606f\n\tBuildTree();\n\t; \/\/\u5efa\u7acb\u751f\u6210\u6811\n}\n\nvoid Kruskal::GetVex() \/\/\u5f97\u5230\u9876\u70b9\u4fe1\u606f\n{\n\tcout << \"Please Input Vertexes Of Graph :\" << endl << endl;\n\tchar name;\n\twhile (cin >> name)\n\t{\n\t\tv.vexbox[v.vexnum++].name = name;\n\t}\n\tcin.clear();\n}\n\nbool Cmp(EdgeNode e1, EdgeNode e2)\n{\n\tif (e1.weight < e2.weight)\n\t\treturn true;\n\telse\n\t\treturn false;\n}\n\nvoid Kruskal::GetEdge() \/\/\u5f97\u5230\u8fb9\u7684\u4fe1\u606f\n{\n\tcout << \"Please Input Edges Of Graph :\" << endl << \"vexnum1 vexnum2 weight\"\n\t\t\t<< endl << endl;\n\tint vexnum1, vexnum2, weight;\n\twhile (cin >> vexnum1 >> vexnum2 >> weight)\n\t{\n\t\te.edgebox[e.edgenum].vexnum1 = vexnum1;\n\t\te.edgebox[e.edgenum].vexnum2 = vexnum2;\n\t\te.edgebox[e.edgenum].weight = weight;\n\t\te.edgenum++;\n\t}\n\tcin.clear();\n\tsort(e.edgebox, e.edgebox + e.edgenum, Cmp);\n}\n\nint Kruskal::GetRoot(int i) \/\/\u5f97\u5230\u4ee5\u6811\u8868\u793a\u7684\u96c6\u5408\u7684\u6839\u8282\u70b9\n{\n\tif (v.vexbox[i].father == -1)\n\t\treturn i;\n\telse\n\t\treturn GetRoot(v.vexbox[i].father);\n}\n\nvoid Kruskal::BuildTree() \/\/\u5efa\u7acb\u751f\u6210\u6811\n{\n\tint root1, root2;\n\tfor (int i = 0; i < e.edgenum; i++)\n\t{\n\t\tif ((root1 = GetRoot(e.edgebox[i].vexnum1))\n\t\t\t\t!= (root2 = GetRoot(e.edgebox[i].vexnum2)))\n\t\t{\n\t\t\tcout << v.vexbox[e.edgebox[i].vexnum1].name << \"<-->\"\n\t\t\t\t\t<< v.vexbox[e.edgebox[i].vexnum2].name << endl;\n\t\t\tif (v.vexbox[root1].memnum < v.vexbox[root2].memnum)\n\t\t\t{\n\t\t\t\tv.vexbox[root1].father = root2;\n\t\t\t\tv.vexbox[root2].memnum += v.vexbox[root1].memnum;\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tv.vexbox[root2].father = root1;\n\t\t\t\tv.vexbox[root1].memnum += v.vexbox[root2].memnum;\n\t\t\t}\n\t\t\tif (v.vexbox[root2].memnum == v.vexnum)\n\t\t\t\treturn;\n\t\t}\n\t}\n\tcout << \"Can't Build A Connected Graph !\" << endl << endl;\n}\n<\/code><\/pre>\n\n\n\n
main.cpp<\/p>\n\n\n\n
#include\"head.h\"\n \nint main()\n{\n\tKruskal k;\n\tk.GetKruskal();\n\tsystem(\"pause\");\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6700\u5c0f\u751f\u6210\u6811\u7684\u7ecf\u5178\u7b97\u6cd5\uff0c\u7528\u5230\u4e86\u6811\u4e0e\u7b49\u4ef7\u7684\u77e5\u8bc6\uff0c\u5177\u4f53\u53c2\u89c1\u4e25\u851a\u654f\u6570\u636e\u7ed3\u6784P175\u5177\u4f53\u5185\u5bb9\u3002 head.h main.cpp<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-308","post","type-post","status-publish","format-standard","hentry","category-06-02-"],"_links":{"self":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts\/308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=308"}],"version-history":[{"count":0,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts\/308\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=308"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}