Submission #826088

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
826088	2023-08-15 10:18:15	dxz05	Toys (CEOI18_toy)	C++17	100 / 100	1990 ms	31212 KiB

toy

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#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx,avx2")
#include <bits/stdc++.h>
 
using namespace std;
#define all(x) (x).begin(), (x).end()
set<pair<int, int>> dp[1500];
void add_segment(int l, int r, set<pair<int, int>> &s){
  s.emplace(l, r);
  auto it = s.find(make_pair(l, r));
  
  if (next(it) != s.end()){
    auto nit = next(it);
    if (nit->first <= r + 1){
      l = min(l, nit->first);
      r = max(r, nit->second);
      s.erase(nit);
      s.erase(it);
      s.emplace(l, r);
      it = s.find(make_pair(l, r));
    }
  }
  
  if (it != s.begin()){
    auto pit = prev(it);
    if (pit->second >= l - 1){
 
 
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• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 21 / 21