Submission

Score: 80

User: nemuchannnUwU

Problemset: จับคู่เลขมงคล

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-15 12:01:33

#include<bits/stdc++.h>
using namespace std;
int main(){
	cin.tie(nullptr)->sync_with_stdio(0);
	int n;
	cin >> n;
	vector<pair<int,int>> v(n);
	for (int i=0;i<n;i++){
		cin >> v[i].first;
		v[i].second=i;
	}
	sort(v.begin(),v.end());
	int target; cin >> target;
	int l=0,r=n-1;
	bool find=false;
	while(l<r){
		int sum=v[l].first+v[r].first;
		if (sum==target){
			if (v[l].second<v[r].second) cout << v[l].first << " " << v[r].first << "\n";
			else cout << v[r].first << " " << v[l].first << "\n";
			find=true;
			l++;
			r--;
		}
		else if(sum>target) r--;
		else l++;
	}
	if (!find) cout << "No";
}