Submission

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Score: 0

User: Ecir

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.000 second

Submitted On: 2025-01-13 01:33:12

#include <bits/stdc++.h>
using namespace std;
const int lim=1e9;
bool p[lim];
int main(){
	ios::sync_with_stdio(0);cin.tie(0);
	for(int i=2;i<=sqrt(lim);i++){
		if(p[i]==0){
			for(int j=2;i*j<=sqrt(lim);j++) p[i*j]=1;
//			cout << i << "\n";
		}
	}
	int n;cin >> n;
	for(int i=2;i<n;i++){
		if(p[i]==0) cout << i << "\n";
	}
	return 0;
}