Submission

Score: 100

User: wasupum

Problemset: จำนวนเฉพาะ (2560)

Language: c

Time: 0.002 second

Submitted On: 2025-09-29 20:35:07

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

int main(void) {
    int N;
    bool prime;
    scanf("%d",&N);
    for(int i = 2 ; i <= N-1; i++){
        prime = true;
        for(int j = 2 ; j <= sqrt(i);j++){
            if(i % j == 0){
                prime = false;
                break;
            }
        }
        if(prime){
            printf("%d \n",i);
        }
    }
    return 0;
}