int flag;double a[21]={0},b[21][21]={0},c[21][21]={0},f[191]={0};char ch;printf(" C-W算法求解TSP问题 \n\n\n");printf("请输入坐标(20个以内),坐标之间用空格隔开,按回车键结束输入:\n");re:scanf("%d,%d",&x[h],&y[h]);ch=getchar();if(ch!='\...