URI OJ : 1267 (Pascal Library) solution

URI OJ : 1267 (Pascal Library) solution

/// URI OJ : 1267 (Pascal Library)
/// Author : Shohanur Rahaman
/// Probem Type : Ad-Hoc

#include<stdio.h>
int main()
{
    int i,j,tmp,ck;
    int ara[500][500];
        int d,n;

            while(scanf("%d %d",&n,&d)==2){
                if(n==0 && d==0)
                    break;

                for(j=0;j<d;j++){
                    for(i=0;i<n;i++){
                            scanf("%d",&ara[j][i]);
                    }
                }

            ck=0;
            tmp=0;
                    for(i=0;i<n;i++){
                        tmp=0;
                        for(j=0;j<d;j++){
                                tmp=tmp+ara[j][i];
                                    if(tmp==d){
                                        ck=1;
                                       break;
                                    }
                        }
                    }

                    if(ck==1)
                    printf("yes\n");
                    else
                    printf("no\n");


            }

    return 0;
}