제출 #955594

#제출 시각아이디문제언어결과실행 시간메모리
955594KakarotAdvertisement 2 (JOI23_ho_t2)C++98
10 / 100
350 ms45844 KiB
#include <bits/stdc++.h> #define int int64_t using namespace std; void setIO() { cin.tie(0)->sync_with_stdio(0); } void solve() { //cout << "zco"; int n; cin >> n; vector<int> x(n), e(n); map<int, int> f; for(int i = 0; i < n; i++) { cin >> x[i] >> e[i]; f[x[i]]++; } cout << f.size(); } int32_t main() { setIO(); solve(); return 0; }
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