Submission #952815

#	Time	Username	Problem	Language	Result	Execution time	Memory
952815		kilkuwu	Memory (IOI10_memory)	C++17	100 / 100	2 ms	608 KiB

memory

#include "grader.h"
#include "memory.h"

#include <bits/stdc++.h>

void play() {
  std::vector<std::pair<int, int>> pairs;

  std::vector<int> pos(25, -1);

  for (int i = 1; i <= 50; i++) {
    auto res = faceup(i);

    if (pos[res - 'A'] != -1) {
      pairs.emplace_back(pos[res - 'A'], i);
    } else {
      pos[res - 'A'] = i;
    }
  }

  for (auto pair : pairs) {
    int u, v; std::tie(u, v) = pair;
    faceup(u);
    faceup(v);
  }
}

• Subtask 1: 50 / 50
• Subtask 2: 50 / 50