Submission

Score: 0

User: msurirak

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-08 11:57:44

#include <iostream>
#include <vector>

using namespace std;

int main() {
	int k;
	bool rest;
	cin>>k;
	vector<int> prime;
	prime.push_back(2);
	if(k>=2){
		cout<<"2 ";
	}
	else{
		return 0;
	}
	for(int i=3;i<=k;i++){
		rest = false;
		for(int j = 2;j < i;j++){
			if(i%j==0){
				rest=true;
				break;
			}
		}
		if(rest==false){
			cout<<i <<" ";
		}
	}
}