Problem : 1229 ( 还是A+B ) Judge Status : Accepted
RunId : 5937488 Language : C Author : qq1203456195
Code Render Status : Rendered By HDOJ C Code Render Version 0.01 Beta
RunId : 5937488 Language : C Author : qq1203456195
Code Render Status : Rendered By HDOJ C Code Render Version 0.01 Beta
#include <stdio.h> int f[9]={0,10,100,1000,10000,100000,1000000,10000000,100000000}; int main() { int a,b,n; while (scanf("%d%d%d",&a,&b,&n),a||b) { if(a%f[n]==b%f[n]) printf("-1\n"); else printf("%d\n",a+b); } }