Submission #436513

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
436513	2021-06-24 14:40:52	frodakcin	Counting Mushrooms (IOI20_mushrooms)	C++17	80.71 / 100	14 ms	452 KiB

mushrooms

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#include "mushrooms.h"
#include <cstdio>
int count_mushrooms(int n)
{
  std::vector<int> m, a, b;
  a.push_back(0);
  int ans=0;
  for(int i=1;i<n;)
    if(a.size() < b.size())
    {
      for(size_t j=0;j<b.size() && i<n;++j, ++i)
        m.push_back(b[j]), m.push_back(i);
      int v = use_machine(m);
      m.clear();
      if(v&1) a.push_back(i-1);
      else b.push_back(i-1);
      ans += v/2;
    }
    else
    {
      int qv=0;
      for(size_t j=0;j<a.size() && i<n;++j, ++i)
        m.push_back(a[j]), m.push_back(i), ++qv;
      int v = use_machine(m);
      m.clear();
 
 
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• Subtask 1: 80.7143 / 100