Submission

PPPPPP-PP-

Score: 80

User: Pera

Problemset: จำนวนเฉพาะ (2560)

Language: c

Time: 0.001 second

Submitted On: 2024-10-12 23:45:08

#include <stdio.h>

int main(void) {

    int n;
    scanf("%d", &n);
    if (n == 0 ||n == 1) {
        return 1;
    }
    for (int i = 2; i <= n; i++) {
        int isprime = 1;
        for (int j = 2; j * j <= i; j++) {
            if (i % j == 0) {
                isprime = 0;
                break;
            }
        }
        if (isprime) printf("%d\n", i);
    }

}