Submission

PPPPPPPPPP

Score: 100

User: Cmoss9

Problemset: จำนวนเฉพาะ (2560)

Language: c

Time: 0.002 second

Submitted On: 2024-10-09 22:07:44

#include <stdio.h>

int is_prime(int n) {
    for (int i = 3; i <= n/i; i+=2)
        if (n%i == 0) return 0; 
    return 1;
}

int main(){
    int n;
    scanf("%d", &n);
    
    if (n > 1) printf("2\n");
    
    for (int i = 3; i < n; i+=2)
        if (is_prime(i)) printf("%d\n", i);
    
    return 0;
}