OJ Board

I got accepted . I done a stupid mistake.
Thanks a lot.

I've tried a lot of test data, but I still got WA.
Why?? ~ help, please


#include<stdio.h>/* 674 357 147*/

int main(){
int a[30001][4],t;
int i,tol,n;

for(i=0;i<5;i++){
a[i][0]=0;
a[i][1]=0;
a[i][2]=0;
a[i][3]=0;
}
tol=4;

while( scanf("%d",&n)!=EOF ){

if(n>tol){
for( ; tol<=n ...