OJ Board

Can anyone tell me what's the problem with the following code? I found nothing wrong.

#include<stdio.h>
#include<stdlib.h>

#define MAX 1002

bool flag[MAX];
struct inter
{
int beg;
int end;
}A[MAX];

int comp(const void *a,const void *b)
{
inter *x = (inter *) a;
inter *y = (inter *) b ...

What's the problem with my following code. I am getting WA.Please help me.

#include<stdio.h>

int main(){
long m,n,i,j,c,l;

while(scanf("%lld %lld",&m,&n)==2 && (m || n)){
c=0;
l=0;

for(i=m,j=n;i!=0 || j!=0;i/=10,j/=10){
if(i%10+j%10+c>9){
c=1;
l++;
}
}

if(l==0) printf("No carry ...