Submission #710291

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
710291	2023-03-15 06:43:50	LittleCube	Cake 3 (JOI19_cake3)	C++14	100 / 100	3171 ms	211484 KiB

cake3

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#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>
#define F first
#define S second
using namespace std;
int N, M;
ll ans = -1e18, dp[200005], v[200005], c[200005];
pii p[200005];
struct Mset
{
  vector<pair<int, ll>> op;
  priority_queue<ll, vector<ll>, greater<ll>> lms, rms;
  ll sum = 0;
  void init(int sz)
  {
    for(int i = 0; i < sz; i++)
      lms.push(-10'000'000'000'000LL);
    sum = sz * -10'000'000'000'000LL;
  } 
  void insert(ll k)
  {
    while(!rms.empty() && rms.top() == lms.top())
    {
      rms.pop();
      lms.pop();
 
 
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Compilation message (stderr)

cake3.cpp: In member function 'void Mset::undo(int)':
cake3.cpp:43:9: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   43 |    auto [i, k] = op.back();
      |         ^

• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76