Submission

Score: 80

User: sodamonium

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-12 18:01:41

#include <iostream>
#include <cmath>
using namespace std;
int main(){
    int n;
    cin >> n;
    for(int i = 2; i <= n; i++){
        bool prime = true;
        for(int j = 2; j * j <= i; j++){
            if(i % j == 0) {
                prime = false;
                break;
            }
        }
        if(prime) cout << i << '\n';
    }
}