Submission #1250232

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250232		ogkostya	선물 (IOI25_souvenirs)	C++20	25 / 100	11 ms	400 KiB

souvenirs

#include "souvenirs.h"
#include <utility>
#include <vector>

void buy_souvenirs(int N, long long P0)
{
  std::pair<std::vector<int>, long long> res;
  if (N == 2)
  {
    res = transaction(P0 - 1);
  }
  else if (N == 3)
  {
    res = transaction(P0 - 1);
    if (res.first.size() == 1)
    {
      long long p1 = P0 - 1 - res.second;
      res = transaction(p1 - 1);
      res = transaction(p1 - 1);
    }
    else
    {
      long long half = (P0 - 1 - res.second) / 2;
      res = transaction(half);
    }
  }
  else if (P0 == N)
  {
    for (int i = 1; i < N; i++)
    {
      for (int j = 1; j <= N - i; j++)
      {
        res = transaction(i);
      }
    }
  }
}

• Subtask 0: 0 / 0
• Subtask 1: 4 / 4
• Subtask 2: 3 / 3
• Subtask 3: 0 / 14
• Subtask 4: 18 / 18
• Subtask 5: 0 / 28
• Subtask 6: 0 / 33