Submission

Score: 100

User: UNJE0o

Problemset: จำนวนเฉพาะก่อนหน้า

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-15 14:53:41

#include <bits/stdc++.h>
#define en '\n'
using namespace std;
typedef long long ll;
// vector <int> n = {}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);

    vector<long long> n;
    int s = 0,b;cin >> b;
    for(int i = b-1;i >= 0;i--){//3
        bool c = true;
        for(int j = 2;j <= ceil((float)(sqrt(i)));j++){
            if(i % j == 0){
                c = false;
                break;
            }
        }

        if(c == true) {
            n.push_back(i);
            s+=1;
        }
        if(s == 5 )break;
    }

    sort(n.begin(),n.end());
    for(auto x:n) cout << x <<" ";
    

}