Submission #824942

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
824942	2023-08-14 12:10:55	pedroslrey	Carnival Tickets (IOI20_tickets)	C++14	27 / 100	421 ms	62272 KiB

tickets

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#include <bits/stdc++.h>
#include "tickets.h"
using namespace std;
using lli = long long;
vector<vector<int>> calc(vector<stack<int>> plus, vector<stack<int>> minus, int m, int k) {
  int n = plus.size();
  vector<vector<int>> ans(n, vector<int>(m, -1));
  for (int round = 0; round < k; ++round) {
    int cntplus = 0, cntminus = 0;
    auto add_plus = [&plus, &ans, &round, &cntplus](int i) {
      ans[i][plus[i].top()] = round;
      plus[i].pop();
      ++cntplus;
    };
    auto add_minus = [&minus, &ans, &round, &cntminus](int i) {
      ans[i][minus[i].top()] = round;
      minus[i].pop();
      ++cntminus;
    };
    for (int i = 0; i < n; ++i) {
      if (plus[i].empty()) add_minus(i);
      else if (minus[i].empty()) add_plus(i);
      else if (cntplus > cntminus) add_minus(i);
      else add_plus(i);
    }
 
 
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Compilation message (stderr)

tickets.cpp: In function 'lli find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:82:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   82 |   auto [x, idx] = *increase.rbegin(); increase.erase(--increase.end());
      |        ^

• Subtask 1: 11 / 11
• Subtask 2: 16 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10