Submission #987740

#TimeUsernameProblemLanguageResultExecution timeMemory
987740lo0kerAdvertisement 2 (JOI23_ho_t2)C++17
10 / 100
337 ms30800 KiB
/* * AUTHOR : lo0ker * Problem : Advertisement 2 * source : https://oj.uz/problem/view/JOI23_ho_t2 */ #include <bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using pii = pair<int, int>; #define pb push_back #define all(x) begin(x), end(x) #define sz(x) (int) (x).size() const int MOD = 1e9+7; int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); int n; cin >> n; set<int> s; int x, e; for(int i = 0; i < n; i++){ cin >> x >> e; s.insert(x); } cout << sz(s); return 0; }
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