Submission

Score: 100

User: ThreeDee

Problemset: จำนวนเฉพาะก่อนหน้า

Language: cpp

Time: 0.002 second

Submitted On: 2026-06-06 11:23:33

#include <iostream>
using namespace std;
int main(){
	cin.tie(0)->sync_with_stdio(0);
	int i,j,k,n,c=0,a=0,b[5];
	cin>>n;
	for(i=n-1;i>1;i--){
		c=0;
		if(a==5)break;
		for(k=2;k*k<=i;k++){
			if(i%k==0)c=1;
		}
		if(c==0){
			b[a]=i;
			a++;
		}
	}
	for(i=4;i>=0;i--){
		cout<<b[i]<<' ';
	}
	return 0;
}