제출 #1144701

#제출 시각아이디문제언어결과실행 시간메모리
1144701NomioAdvertisement 2 (JOI23_ho_t2)C++20
10 / 100
367 ms101792 KiB
#include<bits/stdc++.h> using namespace std; using ll = long long; int main() { ios::sync_with_stdio(0); cin.tie(0); int n; cin >> n; ll x[n], e[n]; set<int> chi[n], par[n]; int cnt[n] {}; for(int i = 0; i < n; i++) { cin >> x[i] >> e[i]; } set<pair<int, int> > s; set<int> S; for(int i = 0; i < n; i++) { s.insert({x[i], e[i]}); S.insert(i); } cout << s.size() << '\n'; return 0; }
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