Submission

Score: 20

User: code

Problemset: จับคู่เลขมงคล

Language: cpp

Time: 0.002 second

Submitted On: 2026-04-14 21:45:14

#include <bits/stdc++.h>
using namespace std;
int main () {
    int num;cin>>num;
    int arr[30]={0};
    for (int i=0;i<num;i++){
        int n;cin>>n;
        arr[n]=1;
    }
    int luckynum;cin>>luckynum;
    bool check=false;
    for (int i=0;i<30;i++){
        if (arr[i]==1){
            if (arr[luckynum-i]==1){
                arr[luckynum-i]=0;
                if (arr[i]==1 && arr[luckynum-i]==0){
                    check=true;
                    cout<<i<<" "<<luckynum-i<<"\n";
                }
            }
        }
    }
    if (check==false){
        cout<<"No";
    }
    return 0;
}