Submission

Score: 80

User: Gunto

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 19:24:11

#include<stdio.h>
#include<math.h>
int check(int n){
    for(int i=2;i<=sqrt(n);++i){
        if(n%i==0) return 0;
    }
    return 1;
}
int main(){
    int n;
    scanf("%d",&n);
    for(int i=2;i<=n;++i){
        if(check(i)==1){
            printf("%d\n",i);
        }
    }

    return 0;
}