Submission

Score: 80

User: Meme.137

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-07 10:22:43

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

bool prime(int n){
	if(n==3) return true;
	for(int i=3;i<=sqrt(n);i+=2){
		if(n%i==0) return false;
	}
	return true;
}

int main(){
	cin.tie(nullptr);
	ios_base::sync_with_stdio(false);
	int n;
	cin>>n;
	if(n>100) return 0;
	cout<<"2\n";
	for(int i=3;i<=n;i+=2){
		if(prime(i)) cout<<i<<"\n";
	}
	
}