Submission

Score: 0

User: Meme.137

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-07 10:09:29

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

bool prime(int n){
	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;
	cout<<"2 ";
	for(int i=3;i<n;i+=2){
		if(prime(i)) cout<<i<<" ";
	}
	
}