Submission #745069

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
745069	2023-05-19 11:14:39	rt144	Street Lamps (APIO19_street_lamps)	C++17	40 / 100	5079 ms	35364 KiB

street_lamps

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#include <bits/stdc++.h>
// #include <icecream.hpp>
using namespace std;
const int maxn = 3e5+5, inf = 2*maxn;
struct bst : set<pair<int, int>> {
  int prev = 0;
  int get_times(int x) {
    if (!empty() && rbegin()->second>=x) {
      return prev + x-rbegin()->first+1;
    } else return prev;
  }
  void toggle(int x) {
    if (empty() || rbegin()->second<x) {
      insert({x+1, inf});
    } else {
      int start = rbegin()->first;
      erase(--end()); insert({start, x});
      prev += x-start+1;
    }
  }
};
// using bst = set<pair<int, int>>;
int n, q;
bst st[maxn];
bst merge(bst &a, bst &b) {
  if (a.empty()) return a;
  if (b.empty()) return b;
  auto ai = a.begin(), bi = b.begin();
  bst nxt{};
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20