Submission

Score: 100

User: Tjeez

Problemset: จำนวนเฉพาะก่อนหน้า

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-12 10:47:54

#include <bits/stdc++.h>
using namespace std;
int main(){
	int n;cin>>n;
	vector<int> v;
	while (v.size()<5){
		n--;
		bool x = true;
		if (n==2)v.push_back(n);
		if (n%2!=0 && n!=1){
			for (int i=2 ;i<=sqrt(n) ; i++){
				if (n%i ==0){
					x=false;
				}
			}
			if (x) v.push_back(n);
		}
	}
	sort(v.begin(),v.end());
	for (int i=0 ; i<v.size( ); i++){
		cout<<v[i]<<" ";
	}
}