Submission

Score: 100

User: onlyme910

Problemset: จำนวนเฉพาะก่อนหน้า

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-09 09:27:13

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

int main() {
    int n,t =0;
    bool prime = true;
    cin >> n;
    int p[5];

    for(int i =n-1;i >= 2;i--){
        prime = true;
        if(t == 5)break;
        for(int j =2;j*j <= i;j++){
            if(i%j == 0){
                prime = false;
                break;
            }
        }
        if(prime){
            p[t] = i;
            t++;
        }
    }
    for(int i=4;i >=0;i--){
        cout << p[i] << " ";
    }
}