OJ Board

i can't find why i am getting WA with this solution. it gives correct outputs(i think) please any one suggest me something

#include<iostream.h>

int prime[25]={
2,3,5,7,11,
13,17,19,23,29,
31,37,41,43,47,
53,59,61,67,71,
73,79,83,89,97
};
int main(){
unsigned long int l,wc,N,I,nwc,sl,k,i ...