Submission

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Score: 0

User: Pera

Problemset: จำนวนเฉพาะ (2560)

Language: c

Time: 0.001 second

Submitted On: 2024-10-04 07:54:29

#include <stdio.h>

int main(void) {

    int n;
    scanf("%d", &n);

    if (n == 0 || n == 1) {
        printf("None\n");
        return 0;
    }

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

}