Program to find the prime numbers between 1 to 100

#include <iostream>
using namespace std;

int main()
{   
    int i,j;
    int s;
    for( i =1; i<=100; i++)
    {
        s=0;
        for( j=1; j<=i; j++)
        {
            if( i%j == 0)
            s = s+1;
        }
    
        if(s==2)
        {
            cout << "\n" << i;
        }
     }
 }