Submission

Score: 100

User: FakeAnutin

Problemset: จำนวนเฉพาะก่อนหน้า

Language: cpp

Time: 0.045 second

Submitted On: 2026-09-30 10:58:22

#include <bits/stdc++.h>
using namespace std;
int main(){
	vector <int> v;
	int n; cin>>n;
	if(n%2==0){
		n--;
	}else{
		n-=2;
	}
	for(int i=n;i>=0;i-=2){
		int cc=0;
		for(int j=3;j<i;j+=2){
			if(i%j==0){
				cc=1;
				break;
			}
		}
		if(cc==0){
			v.push_back(i);
		}
		if(v.size() == 5){
			break;
		}
	}
	while(v.empty()==0){
		cout<<v.back()<<" ";
		v.pop_back();
	}
}