{"id":60,"date":"2013-12-14T14:37:20","date_gmt":"2013-12-14T14:37:20","guid":{"rendered":""},"modified":"2013-12-14T14:37:20","modified_gmt":"2013-12-14T14:37:20","slug":"","status":"publish","type":"post","link":"http:\/\/weizn.net\/?p=60","title":{"rendered":"Graph"},"content":{"rendered":"
#include <stdio.h>\r\n#include <stdlib.h>\r\n#include <string.h>\r\n#include <conio.h>\r\n#include <windows.h>\r\n\r\n#define MAX 7\r\n\r\nconst char *name[]= {\"\u5927\u6210\u6865\",\"\u5e7f\u573a\",\"\u56fe\u4e66\u9986\",\"\u4eba\u5de5\u6e56\",\"\u9910\u5385\",\"\u7bee\u7403\u573a\",\"\u8db3\u7403\u573a\"};\r\nconst char *describe[]= {\"\u4e00\u5ea7\u62f1\u6865\",\"\u9f50\u9c81\u5e7f\u573a\",\"\u5f88\u6f02\u4eae\",\"\u6ca1\u4fee\u597d\",\"\u7b2c\u4e09\u98df\u5802\",\"\u8fd8\u662f\u6c34\u6ce5\u5730\",\"\u4e00\u5708400\u7c73\"};\r\n\r\ntypedef struct\r\n{\r\n    int num;\r\n    char name[20];\r\n    char describe[30];\r\n} GNode;\r\n\r\ntypedef struct Node_Index\r\n{\r\n    int index;\r\n    struct Node_Index *next;\r\n} Index;\r\n\r\ntypedef struct\r\n{\r\n    GNode GraphNode;\r\n    Index *next;\r\n} MGraph;\r\n\r\n\/*-------------------------------Queue----------------------------------*\/\r\n#define DATATYPE MGraph\r\n\r\ntypedef struct Queue_Node\r\n{\r\n    DATATYPE data;\r\n    struct Queue_Node *next;\r\n} QNode;\r\n\r\ntypedef struct\r\n{\r\n    QNode *head;\r\n    QNode *end;\r\n    int queuesize;\r\n} Queue;\r\n\r\n\r\nBOOL EnQueue(Queue **Q,DATATYPE Elem)\r\n{\r\n    if(!*Q)\r\n    {\r\n        if((*Q=(Queue *)malloc(sizeof(Queue)))==NULL)\r\n            return FALSE;\r\n        memset(*Q,NULL,sizeof(Queue));\r\n    }\r\n\r\n    if(!(*Q)->head)\r\n    {\r\n        \/\/\u961f\u5217\u5934\u7ed3\u70b9\u4e3a\u7a7a\r\n        (*Q)->head=(*Q)->end=(QNode *)malloc(sizeof(QNode));\r\n        if((*Q)->head==NULL) return FALSE;\r\n        memset((*Q)->head,NULL,sizeof(QNode));\r\n        (*Q)->head->data=Elem;\r\n        (*Q)->queuesize++;\r\n        return TRUE;\r\n    }\r\n    (*Q)->end->next=(QNode *)malloc(sizeof(QNode));\r\n    if((*Q)->end->next==NULL) return FALSE;\r\n    memset((*Q)->end->next,NULL,sizeof(QNode));\r\n    (*Q)->end=(*Q)->end->next;\r\n    (*Q)->end->data=Elem;\r\n    (*Q)->queuesize++;\r\n\r\n    return TRUE;\r\n}\r\n\r\nBOOL DeQueue(Queue *Q,DATATYPE *Elem)\r\n{\r\n    if(!Q || !Q->head) return FALSE;\r\n    QNode *temp=Q->head;\r\n\r\n    Q->queuesize--;   \/\/\u961f\u5217\u957f\u5ea6\u51cf\u4e00\r\n    *Elem=Q->head->data;\r\n    Q->head=Q->head->next;\r\n    free(temp);\r\n\r\n    return TRUE;\r\n}\r\n\r\nBOOL QueueEmpty(Queue *Q)\r\n{\r\n    return Q->head==NULL?TRUE:FALSE;\r\n}\r\n\r\n\r\n\/\/-------------------------------------------------------------------------\r\n\r\nvoid importInfo(MGraph *graph)\r\n{\r\n    int i;\r\n\r\n    for(i=0; i<MAX; i++)\r\n    {\r\n        memcpy(graph[i].GraphNode.name,name[i],strlen(name[i]));\r\n        memcpy(graph[i].GraphNode.describe,describe[i],strlen(describe[i]));\r\n        graph[i].GraphNode.num=i;\r\n    }\r\n\r\n    return;\r\n}\r\n\r\nint linkNode(MGraph *graph,int x,int y)\r\n{\r\n    MGraph *G=NULL;\r\n    Index *index=NULL,*temp=NULL;\r\n\r\n    if((index=(Index *)malloc(sizeof(Index)))==NULL)\r\n        return 0;\r\n    memset(index,NULL,sizeof(Index));\r\n    G=graph+x;\r\n    if(G->next==NULL)\r\n    {\r\n        G->next=index;\r\n    }\r\n    else\r\n    {\r\n        temp=G->next;\r\n        while(temp->next) temp=temp->next;\r\n        temp->next=index;\r\n    }\r\n    index->index=y;\r\n    \/\/===========================================\r\n    if((index=(Index *)malloc(sizeof(Index)))==NULL)\r\n        return 0;\r\n    memset(index,NULL,sizeof(Index));\r\n    G=graph+y;\r\n    if(G->next==NULL)\r\n    {\r\n        G->next=index;\r\n    }\r\n    else\r\n    {\r\n        temp=G->next;\r\n        while(temp->next) temp=temp->next;\r\n        temp->next=index;\r\n    }\r\n    index->index=x;\r\n\r\n    return 1;\r\n}\r\n\r\nint CreateGraph(MGraph **graph)\r\n{\r\n    *graph=(MGraph *)malloc(sizeof(MGraph)*MAX);\r\n    if(*graph==NULL) return 0;\r\n    memset(*graph,NULL,sizeof(MGraph)*MAX);\r\n    importInfo(*graph);\r\n\r\n    return 1;\r\n}\r\n\r\nvoid visit(MGraph *graph)\r\n{\r\n    printf(\"\u8282\u70b9%d:\u666f\u70b9:%s\\t\\t\u63cf\u8ff0:%s\\n\",graph->GraphNode.num,graph->GraphNode.name,graph->GraphNode.describe);\r\n    return;\r\n}\r\n\r\nint Traversal[MAX];\r\nMGraph *root=NULL;\r\n\r\nint DFS(MGraph *graph)\r\n{\r\n    \/\/\u6df1\u5ea6\u4f18\u5148\u904d\u5386\r\n    int i;\r\n    Index *index=NULL;\r\n\r\n    for(i=0; i<MAX; i++)\r\n        if(graph->GraphNode.num==Traversal[i])\r\n            return 0;  \/\/\u68c0\u67e5\u8282\u70b9\u662f\u5426\u5df2\u88ab\u8bbf\u95ee\u8fc7\r\n    visit(graph);\r\n    for(i=0; i<MAX; i++)\r\n        if(Traversal[i]==-1)\r\n        {\r\n            Traversal[i]=graph->GraphNode.num;\r\n            break;\r\n        }\r\n    index=graph->next;\r\n    while(index)\r\n    {\r\n        DFS(&root[index->index]);\r\n        index=index->next;\r\n    }\r\n\r\n\r\n    return 1;\r\n}\r\n\r\nint BFS(MGraph *graph)\r\n{\r\n    \/\/\u5e7f\u5ea6\u4f18\u5148\u904d\u5386\r\n    Queue *Q=NULL;\r\n    int i;\r\n    MGraph temp,*ptemp=NULL;\r\n    Index *index=NULL;\r\n\r\n    visit(graph);\r\n    index=graph->next;\r\n\r\n    while(index)\r\n    {\r\n        EnQueue(&Q,root[index->index]);\r\n        index=index->next;\r\n    }\r\n    Traversal[0]=0;\r\n\r\n    while(!QueueEmpty(Q))\r\n    {\r\n        memset(&temp,NULL,sizeof(MGraph));\r\n        DeQueue(Q,&temp);\r\n        index=temp.next;\r\n        while(index)\r\n        {\r\n            for(i=0; i<MAX; i++)\r\n                if(index->index==Traversal[i])\r\n                    goto skip;\r\n\r\n            EnQueue(&Q,root[index->index]);\r\nskip:\r\n            index=index->next;\r\n        }\r\n        visit(&temp);\r\n\r\n        for(i=0; i<MAX; i++)\r\n            if(Traversal[i]==-1)\r\n            {\r\n                Traversal[i]=temp.GraphNode.num;\r\n                break;\r\n            }\r\n    }\r\n\r\n    return 1;\r\n}\r\n\r\nint main()\r\n{\r\n    int i,x,y;\r\n    MGraph *graph=NULL;\r\n\r\n    CreateGraph(&graph);\r\n    root=graph;\r\n    printf(\"\u8bf7\u8f93\u5165\u8981\u8fde\u63a5\u7684\u8282\u70b9:(\u683c\u5f0f:X-Y)\\n\");\r\n    while(1)\r\n    {\r\n        if(scanf(\"%d-%d\",&x,&y)!=2) break;\r\n        linkNode(graph,x,y);\r\n    }\r\n    int j,k;\r\n    Index *index=NULL;\r\n    for(i=0; i<MAX; i++)\r\n    {\r\n        printf(\"%d \",graph[i].GraphNode.num);\r\n        index=graph[i].next;\r\n        while(index)\r\n        {\r\n            printf(\"->%d\",index->index);\r\n            index=index->next;\r\n        }\r\n        puts(\"\");\r\n    }\r\n    printf(\"\u6df1\u5ea6\u4f18\u5148\u904d\u5386:\\n\");\r\n    for(i=0; i<MAX; i++)\r\n        Traversal[i]=-1;\r\n    DFS(graph);\r\n    printf(\"\\n\u5e7f\u5ea6\u4f18\u5148\u904d\u5386:\\n\");\r\n    for(i=0; i<MAX; i++)\r\n        Traversal[i]=-1;\r\n    BFS(graph);\r\n\r\n    return 0;\r\n}<\/pre>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
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\n#include <stdlib.h>
\n#include <string.h>
\n#include <conio.h>
\n#include <windows.h>\n<\/p>\n
\n\t#define MAX 7\n<\/p>\n
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