hdu 2099

http://acm.hdu.edu.cn/showproblem.php?pid=2099

#include <stdio.h>int main(){int i,j;long n,a,b,x,y;while(scanf("%ld%ld",&a,&b)&&(a+b)){x=a;n=0;for(i=0;i<=9;i++) //枚举个位 {for(j=0;j<=9;j++) //枚举十位 {x=x*100+10*i+j;if(x%b==0){if(n++){printf(" "); //格式 }printf("%d%d",i,j);}x=a;}}printf("\n");}return 0;}