摘要： http://acm.hdu.edu.cn/showproblem.php?pid=1259水题View Code #include <stdio.h>#include <string.h>int main(){ int n,m,x,y,i,a[10]; scanf("%d",&n); while(n--) { memset(a,0,sizeof(a)); a[2]=1; scanf("%d",&m); while(m--) { scanf("%d%d",&x,&y); ... 阅读全文