제출 #223434

#제출 시각아이디문제언어결과실행 시간메모리
223434dwscMatching (COCI20_matching)C++14
5 / 110
8 ms2688 KiB
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[100010];
int main(){
    int n;
    cin >> n;
    for (int i = 0; i < n; i++){
        int x,y;
        cin >> x >> y;
        adj[x].push_back(i+1);
    }
    cout << "DA\n";
    for (int i = 0; i < 100010; i++){ if (adj[i].size()) cout << adj[i][0] << " " << adj[i][1] << "\n";}
}
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