Submission

Score: 100

User: MyYammGods

Problemset: จำนวนเฉพาะก่อนหน้า

Language: cpp

Time: 0.005 second

Submitted On: 2025-10-15 13:19:00

#include <bits/stdc++.h>
using namespace std;
int main () {
    ios_base::sync_with_stdio(0);
    int n;
    cin >> n;
    int Primes[6];
    int count = 0;
    while (true){
    if(count == 5) break;
    int prime = 1;
    n = n - 1;
        for (int i = 2 ; i*i <= n; i++){
            if(n%i == 0){
                prime = 0;
                break;
            }
        }
        if(prime == 1){
            Primes[count] = n;
            count++;
        }
    }
    for (int i=4;i>=0;i--){
        cout << Primes[i] << " ";
    }
}