Submission

Score: 100

User: santanaja07

Problemset: จำนวนเฉพาะก่อนหน้า

Language: cpp

Time: 0.004 second

Submitted On: 2025-09-24 16:11:28

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

int main(){
	int n;
	cin>>n;
	bool prime=true;
	int box[5]={0};
	int count=4;
	for(int j=n-1;j>=0;j--){
		prime=true;
		for(int i=2;i<=sqrt(j);i++){
			if(j%i==0){
				prime=false;
			}
		}

		if(prime){
			box[count]=j;
			count--;
		}
		if(count<0){
			break;
		}

	}
	for(int i=0;i<5;i++){
		cout<<box[i]<<" ";
	}
}