Submission

Score: 80

User: Jxricho

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-15 14:05:37

#include<bits/stdc++.h>
using namespace std;
bool prime(int n){
	if(n<=1){
		return false;
	}
	for(int i=2;i*i<=n;i++){
		if(n%i==0){
			return false;
		}
	}
	return true;
}
main(){
	int n;
	cin>>n;
	for(int i=2;i<=n;i++){
		if(prime(i)){
			cout<<i<<'\n';
		}
	}
	
}