OJ Board

Whenever I submitt 10190, it says "output limit exceeded". I don't understand where is the problem. My code is like this:

#include<stdio.h>
#include<math.h>

void main()
{
long m,n,result;

for(;(scanf("%ld %ld",&m,&n))==2;)
{
if((ceil(logl(m)/logl(n))) == (floor(logl(m)/logl(n))))
{
printf ...