Submission

Score: 100

User: mik

Problemset: จำนวนเฉพาะก่อนหน้า

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-11 15:56:03

#include <bits/stdc++.h>

using namespace std;

int main(){
    ios_base::sync_with_stdio(false),cin.tie(NULL);
    long long n;
    cin >> n;
    int p=0;
    long long a[5];
    for (long long i=n-1;i>=2;i--){
        if (p==5) break;
        int ok=1;
        for (long long j=2;j*j<=i;j++){
            if (i%j==0){ok=0; break;}
        }
        if (ok) {a[p]=i; p++;}
    }
    for (int i=4;i>=0;i--){
        cout << a[i] << ' ';
    }
    return 0;
}