int main(){
ALGrapth G;
int i, j;
CreateGraph(&G);
printGraph(G);
printf("从顶点1开始深度优先遍历序列");
DFSTraverse(G, printVex);
printf("\n");
printf("从顶点7开始深度优先遍历序列");
DFSTraverse(G, printVex, 6);
printf("\n");
printf("从顶点1开始广度优先遍历序列");
BFSTraverse(G, printVex);
printf("\n");
printf("从顶点7开始广度优先遍历序列");
BFSTraverse(G, printVex, 6);
printf("\n");
printf("\n");
return 0;
}
void main()
{
int k,n;
AMLGraph g;
VertexType v1,v2;
CreateGraph(&g);
Display(g);
printf("修改顶点的值，请输入原值 新值: ");
scanf("%s%s",v1,v2);
PutVex(&g,v1,v2);
printf("插入新顶点，请输入顶点的值: ");
scanf("%s",v1);
InsertVex(&g,v1);
printf("插入与新顶点有关的边，请输入边数: ");
scanf("%d",&n);
for(k=0;k<n;k++)
{
printf("请输入另一顶点的值: ");
scanf("%s",v2);
InsertArc(&g,v1,v2);
}
Display(g);
printf("深度优先搜索的结果:\n");
DFSTraverse(g,visit);
printf("广度优先搜索的结果:\n");
BFSTraverse(g,visit);
DestroyGraph(&g);
}
int main()
{
MGraph G;
CreateUDN(G);
PrintVex(G);
BFSTraverse(G,Visit);
return 0;
}
void test(void)
{
MGraph G;
CreateMGraph(&G);
// DFSTraverse(G);
BFSTraverse(G);
MiniSpanTree_Prim(G);
}
int main(void)
{
MGraph G;
CreateMGraph(&G);
printf("\n深度遍历：");
DFSTraverse(G);
printf("\n广度遍历：");
BFSTraverse(G);
return 0;
}
int main()
{
ALGraph G;
CreateGraph(&G);
printf("DFS\n");
DFSTraverse(G);
printf("\n");
printf("BFS\n");
BFSTraverse(G);
return 0;
}
void main()
{
int i,j,k,n;
VertexType v1,v2;
MGraph g;
CreateFAG(&g);
Display(g);
printf("修改顶点的值，请输入原值 新值: ");
scanf("%s%s",v1,v2);
PutVex(&g,v1,v2);
printf("深度优先搜索的结果:\n");
DFSTraverse(g,visit);
printf("广度优先搜索的结果:\n");
BFSTraverse(g,visit);
printf("删除一条边或弧，请输入待删除边或弧的弧尾 弧头：");
scanf("%s%s",v1,v2);
DeleteArc(&g,v1,v2);
Display(g);
DestroyGraph(&g);
printf("请顺序选择有向图,有向网,无向图,无向网\n");
for(i=0;i<4;i++) /* 验证4种情况 */
{
CreateGraph(&g);
Display(g);
printf("插入新顶点，请输入顶点的值: ");
scanf("%s",v1);
InsertVex(&g,v1);
printf("插入与新顶点有关的弧或边，请输入弧或边数: ");
scanf("%d",&n);
for(k=0;k<n;k++)
{
printf("请输入另一顶点的值: ");
scanf("%s",v2);
if(g.kind<=1) /* 有向 */
{
printf("对于有向图或网，请输入另一顶点的方向(0:弧头 1:弧尾): ");
scanf("%d",&j);
if(j)
InsertArc(&g,v2,v1);
else
InsertArc(&g,v1,v2);
}
else /* 无向 */
InsertArc(&g,v1,v2);
}
Display(g);
printf("删除顶点及相关的弧或边，请输入顶点的值: ");
scanf("%s",v1);
DeleteVex(&g,v1);
Display(g);
DestroyGraph(&g);
}
}
void main()
{
MGraph G;
printf("create\n");
if(CreateUDG(G))
{
printf("output DFS\n");
DFSTraverse(G);
printf("output BFS\n" );
BFSTraverse(G,Visit);
}
}
void main()
{
ALGraph g;
CreateGraphF(g); // 利用数据文件创建无向图，在bo7-2.cpp中
Display(g); // 输出无向图，在bo7-2.cpp中
printf("深度优先搜索的结果:\n");
DFSTraverse(g,visit); // 调用算法7.4，在bo7-2.cpp中
DFSTraverse1(g,visit); // 另一种方法，在bo7-2.cpp中
printf("广度优先搜索的结果:\n");
BFSTraverse(g,visit); // 调用算法7.6，在bo7-2.cpp中
BFSTraverse1(g,visit); // 另一种方法，在bo7-2.cpp中
DestroyGraph(g); // 销毁图g
}
int main()
{
graph *g = (graph*)malloc(sizeof(graph));
createAMGraph(g);
printf("DFS递归遍历结果：\n");
DFSTraverse(g);
printf("\nDFS非递归遍历结果：\n");
DFSNonRecurTraverse(g, print);
printf("\nBFS遍历结果：\n");
BFSTraverse(g, print);
free(g);
g = NULL;
return 0;
}
void main()
{
int j,k,n;
OLGraph g;
VertexType v1,v2;
CreateDG(g);
Display(g);
printf("修改顶点的值，请输入原值 新值: ");
scanf("%s%s",v1,v2);
PutVex(g,v1,v2);
printf("插入新顶点，请输入顶点的值: ");
scanf("%s",v1);
InsertVex(g,v1);
printf("插入与新顶点有关的弧，请输入弧数: ");
scanf("%d",&n);
for(k=0;k<n;k++)
{
printf("请输入另一顶点的值 另一顶点的方向(0:弧头 1:弧尾): ");
scanf("%s%d",v2,&j);
if(j)
InsertArc(g,v2,v1);
else
InsertArc(g,v1,v2);
}
Display(g);
printf("删除一条弧，请输入待删除弧的弧尾 弧头：");
scanf("%s%s",v1,v2);
DeleteArc(g,v1,v2);
Display(g);
printf("删除顶点及相关的弧，请输入顶点的值: ");
scanf("%s",v1);
DeleteVex(g,v1);
Display(g);
printf("深度优先搜索的结果:\n");
DFSTraverse(g,visit);
printf("广度优先搜索的结果:\n");
BFSTraverse(g,visit);
DestroyGraph(g);
}
int main(int argc, char** argv)
{
MGraph G;
GraphAdjList GL;
int i,j,s;
int VertexNum;
int Edge_num;
int flag;
int num_CNFSAT;
int num_APPROX1;
int num_APPROX2;
float ratio1,ratio2;
pthread_t thread_CNFSAT;
pthread_t thread_APPROX1;
pthread_t thread_APPROX2;
clockid_t cid_CNFSAT;
clockid_t cid_APPROX1;
clockid_t cid_APPROX2;
char str[10000];
while (fgets(str,10000,stdin))
{
/*if (str[0] != 's')
printf("%s",str);
fflush(stdout);*/
if (str[0]=='V')
{
VertexNum = VStr(str);
//printf("%d \n",VertexNum);
}
else if (str[0]=='E')
{
Edge_num = ENum(str);
flag = CreateMGraph(&G, Edge_num, VertexNum, str);
CreateALGraph(G,&GL);
if (Edge_num > 0 && flag == 1)
{
s = pthread_create (&thread_CNFSAT,NULL,&VerCover_CNFSAT,&G);
if (s != 0)
handle_error_en(s, "pthread_create");
/*s = pthread_getcpuclockid(thread_CNFSAT, &cid_CNFSAT);
if (s != 0)
handle_error_en(s, "pthread_getcpuclockid");*/
pthread_join(thread_CNFSAT,NULL);
/*char ms1[] = "CNF-SAT-VC's CPU time: ";
pclock(ms1, cid_CNFSAT);
sleep(1);*/
s = pthread_create (&thread_APPROX1,NULL,&VerCover_APPROX1,&G);
if (s != 0)
handle_error_en(s, "pthread_create");
/*s = pthread_getcpuclockid(thread_APPROX1, &cid_APPROX1);
if (s != 0)
handle_error_en(s, "pthread_getcpuclockid"); */
pthread_join(thread_APPROX1,NULL);
/*char ms2[] = "APPROX-VC-1's CPU time: ";
pclock(ms2, cid_APPROX1);
sleep(1);*/
s = pthread_create (&thread_APPROX2,NULL,&VerCover_APPROX2,&G);
if (s != 0)
handle_error_en(s, "pthread_create");
/*s = pthread_getcpuclockid(thread_APPROX2, &cid_APPROX2);
if (s != 0)
handle_error_en(s, "pthread_getcpuclockid");
char ms3[] = "APPROX-VC-2's CPU time: ";*/
pthread_join(thread_APPROX2,NULL);
/*pclock(ms3, cid_APPROX2);
sleep(1);*/
/*calculate the approximate ratio*/
/*float x1, x2, x3;
x1 = (float) g[0].vNum;
x2 = (float) g[1].vNum;
x3 = (float) g[2].vNum;
char msg1[] = "Approximation ratio of APPROX1: ";
char msg2[] = "Approximation ratio of APPROX2: ";
ratio1 = x2/x1;
pratio(msg1, ratio1);
ratio2 = x3/x1;
pratio(msg2, ratio2);*/
//free(g);
//g = NULL;
}
//free(g);
//g = NULL;
}
else if (str[0]=='s')
{
int str_size1;
int str_size;
int s_flag;
for (str_size = 0;str[str_size]!='\0';str_size++)
{
str_size1 = str_size;
}
s_flag = 0;
int flag1 = 1;
while(str[s_flag]!= ' ')
{
s_flag++;
}
while(str[s_flag+flag1]!=' ')
{
flag1++;
}
int s1,s2;
int firstNode = 0;
int lastNode = 0;
for (s1 = s_flag+1; s1 < s_flag + flag1; s1++)
{
firstNode = (int)(firstNode + (str[s1]-'0') * pow(10,s_flag + flag1-1-s1));
}
for (s2 = s_flag + flag1 + 1; s2 < str_size1;s2++)
{
lastNode = (int)(lastNode + (str[s2]-'0') * pow(10,str_size1-1-s2));
// printf("%d %d %d\n",s2,str[s2]-'0',str_size1-1-s2);
}
// printf("%d %d\n",firstNode,lastNode);
if(firstNode>=VertexNum || lastNode>=VertexNum)
{
printf("Error: one or more vertexes do not exist\n");
continue;
}
if(firstNode == lastNode)
{
printf("%d-%d\n",firstNode,lastNode);
continue;
}
CreateALGraph(G,&GL);
BFSTraverse(GL,firstNode,lastNode);
// VerCover(G, VertexNum);
}
}
return 0;
}
void main()
{
int i,j,k,n;
ALGraph g;
VertexType v1,v2;
printf("请选择有向图\n");
CreateGraph(g);
Display(g);
printf("删除一条边或弧，请输入待删除边或弧的弧尾 弧头：");
scanf("%s%s",v1,v2);
DeleteArc(g,v1,v2);
printf("修改顶点的值，请输入原值 新值: ");
scanf("%s%s",v1,v2);
PutVex(g,v1,v2);
printf("插入新顶点，请输入顶点的值: ");
scanf("%s",v1);
InsertVex(g,v1);
printf("插入与新顶点有关的弧或边，请输入弧或边数: ");
scanf("%d",&n);
for(k=0;k<n;k++)
{
printf("请输入另一顶点的值: ");
scanf("%s",v2);
printf("对于有向图，请输入另一顶点的方向(0:弧头 1:弧尾): ");
scanf("%d",&j);
if(j)
InsertArc(g,v2,v1);
else
InsertArc(g,v1,v2);
}
Display(g);
printf("删除顶点及相关的弧或边，请输入顶点的值: ");
scanf("%s",v1);
DeleteVex(g,v1);
Display(g);
printf("深度优先搜索的结果:\n");
DFSTraverse(g,print);
printf("广度优先搜索的结果:\n");
BFSTraverse(g,print);
DestroyGraph(g);
printf("请顺序选择有向网,无向图,无向网\n");
for(i=0;i<3;i++) // 验证另外3种情况
{
CreateGraph(g);
Display(g);
printf("插入新顶点，请输入顶点的值: ");
scanf("%s",v1);
InsertVex(g,v1);
printf("插入与新顶点有关的弧或边，请输入弧或边数: ");
scanf("%d",&n);
for(k=0;k<n;k++)
{
printf("请输入另一顶点的值: ");
scanf("%s",v2);
if(g.kind<=1) // 有向
{
printf("对于有向图或网，请输入另一顶点的方向(0:弧头 1:弧尾): ");
scanf("%d",&j);
if(j)
InsertArc(g,v2,v1);
else
InsertArc(g,v1,v2);
}
else // 无向
InsertArc(g,v1,v2);
}
Display(g);
printf("删除顶点及相关的弧或边，请输入顶点的值: ");
scanf("%s",v1);
DeleteVex(g,v1);
Display(g);
DestroyGraph(g);
}
}