Submission

Score: 80

User: Bentley

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-01 10:20:03

#include <bits/stdc++.h>
using namespace std;


int main(){
    int n; cin >> n;
    bool prime=true;
    //cout << "2 \n" << "3 \n";
    for (int i=2;i<=n;i++){
        int j;
        for (j=2;j<=sqrt(i);j++){
            prime=true;
            if (i%j==0){
                prime=false;
                break;
            }
        }
        if(prime==true){
            cout << i << endl;
        }
    }
    return 0;
}