Submission

Score: 100

User: nirat

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-03 18:51:04

#include <stdio.h>

int main() {
    int N;
    scanf("%d", &N);

    for (int num = 2; num < N; num++) {
        int isPrime = 1;
        
        for (int i = 2; i*i <= num; i++) {
            if (num % i == 0) {
                isPrime = 0;
                break;
            }
        }
        if (isPrime == 1) {
            printf("%d\n", num);
        }
    }

    return 0;
}