Submission

Score: 80

User: KisuX3

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-26 00:28:13

#include <iostream>

using namespace std;

int main() {
    int N;

    cin >> N;

    for (int i = 2; i <= N; i++) {
        bool isP = true;
        for (int j = 2; j * j <= i; j++) {

            //cout << i << " " << j;

            if (i % j == 0 && i != j) {
                isP = false;
                break;
            };
        }

        if (isP) cout << i << "\n";
    }
    return 0;
}