Submission

Score: 80

User: opjns

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-09 08:50:31

#include <iostream>
using namespace std;

int main() {
    int n;
    cin >> n;

    for (int i = 2; i <= n; i++) {
        bool isPrime = true;
        for (int j = 2; j * j <= i; j++) {
            if (i % j == 0) {
                isPrime = false;
                break;
            }
        }
        if (isPrime) {
            cout << i << endl;
        }
    }

    return 0;
}