OJ Board

Thanks I've sorted it now.

Can someone plz tell me what's wrong:

[cpp]
#include <iostream>
using namespace std;
main (void)
{
int a, i, j, il, c;
while (cin >> i >> j)
{
cout << i << " " << j << " ";

if (i > j)
{
c = i;
i = j;
j = c;
}
c = 0;
for (int n = i; n <= j; n++)
{
a = n;
il = 1;
while (a != 1 ...