Submission

Score: 100

User: Chita

Problemset: จำนวนเฉพาะ (2560)

Language: c

Time: 0.002 second

Submitted On: 2025-10-10 15:07:41

#include <stdio.h>
#include <math.h>

int is_prime(int n){
    for (int i=2;i*i<=n;i++){
        if (n%i==0){
            return 0;
        }
    }
    return 1;
}

int main(void){
    int n;
    scanf("%d", &n);
    for (int i=2;i<n;i++){
        if (is_prime(i) == 1) printf("%d\n", i);
    }
}