Submission

Score: 60

User: mocngaijakraila

Problemset: จับคู่เลขมงคล

Language: cpp

Time: 0.002 second

Submitted On: 2026-07-17 23:00:28

#include<bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
vector<bool> v(1007);
vector<int> k;
vector<pii> ans;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n; cin  >> n;
    

    while(n--) {
        int i; cin >> i;
        k.push_back(i);
        v[i] = true;
    }
    int t; cin >> t;


    for(int i = 0; i <  k.size(); i++) {
        if(v[k[i]] == true &&  v[t-k[i]] == true  && k[i] < t-k[i]) ans.push_back({t - k[i], k[i]});
    }

    if(ans.empty()) {
        cout << "No";
        return 0;
    }
    for(auto e : ans)  {
        cout << e.first << ' '  << e.second << '\n';
    }


    return 0;
}