제출 #931953

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
931953	2024-02-22 16:01:20	d4xn	Towers (NOI22_towers)	C++17	11 / 100	1635 ms	227812 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
const int N = 1e6+6;
int n, x[N], y[N];
set<int> sx[N], sy[N];
vector<pair<int, int>> s;
void prop(int a, int b) {
  auto it = sx[a].upper_bound(b);
  if (it != sx[a].end()) {
    sy[*it].insert(a);
  }
}
signed main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> x[i] >> y[i];
    sx[x[i]].insert(y[i]);
  }
  
  for (int i = 0; i < N; i++) {
    int sz = sx[i].size();
    
 
 
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