Submission

Score: 80

User: Krispans

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.002 second

Submitted On: 2026-09-20 15:22:00

#include <iostream>
using namespace std;

int main(){

    int n;
    bool prime = true;
    cin >> n;
    for (int i=1; i<=n; i++) {
        if (i ==1){
            prime = false;
        }
        else{
            prime = true;
            for (int j=2; j<i; j++){
                if (i%j == 0){
                    prime = false;
                }
            }
            if (prime == true){
                cout << i << '\n';
            }
        }   
    }
}