제출 #1268262

#제출 시각아이디문제언어결과실행 시간메모리
1268262julia_08Advertisement 2 (JOI23_ho_t2)C++20
10 / 100
233 ms21720 KiB
#include <bits/stdc++.h> using namespace std; int main(){ cin.tie(0)->sync_with_stdio(0); int n; cin >> n; set<int> s; for(int i=1; i<=n; i++){ int x, e; cin >> x >> e; s.insert(x); } cout << s.size() << "\n"; return 0; }
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