Submission

Score: 65

User: karnsinee

Problemset: จำนวนเฉพาะก่อนหน้า

Language: cpp

Time: 1.095 second

Submitted On: 2025-09-19 20:59:26

#include<iostream>
#include<algorithm>
using namespace std;
int main(){
	int a,x[5],y=0,n=0;
	cin>>a;
	for(int i=a-1;i>0;i--){
		n=0;
		for(int j=2;j*j<=i;j++ ){
			if(i%j==0){
				n++;
			}
		}
		if(n==0&&y<=5){
			x[y]=i;
			y++;
			//cout<<i<<"\n";
		}
		//cout<<i<<":"<<n<<"\n";
	}
	sort(x+0,x+5);
	for(int i=0;i<5;i++){
		cout<<x[i]<<" ";
	}
	


}