OJ Board

after I change the ninth line in my code c <= n into c <= 1000
I have got AC.

Here is my code
#include <iostream>
#include <cmath>
using namespace std;

int primejudge (int n);

int main(){
int n , c;
while ((cin >> n >> c) && n >=1 && n <= 1000 && c >= 1 && c <= n){
int prime[n] , primeaddress;
if (n == 1){
prime[0] = 1;
primeaddress = 1;
}
else if (n == 2){
prime ...