Submission

Score: 100

User: bestisyis...programming

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-06 13:47:32

#include <iostream>
#include <cmath>
using namespace std;
int main(){
	int n;
	bool check;
	cin >> n;
	for(int i=2;i<n;i++){
		check = true;
		if(i==2) cout << '2' << endl;
		else{
			for(int j=2;j<=sqrt(i);j++){
				if(i%j==0){
					check = false;
					break;
				}
			}
			if(check){
				cout << i << endl;
			}
		}
	}
	return 0;
}