Submission

Score: 80

User: mameeewin

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-08 18:32:52

#include <iostream>
using namespace std;

int main(){
  int n; cin >> n;
  for (int i=2; i<=n; i++){
    int p=1;
    for (int j=2; j*j<=i; j++){
      if (i%j==0) {
        p=0;
        break;
      }
    }
    if (p) cout << i << "\n";
  }
}