Submission #302771

#	Time	Username	Problem	Language	Result	Execution time	Memory
302771		IWANTTOGETGOLDINIOI	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	31 ms	2552 KiB

shoes

#include "shoes.h"

using namespace std;

long long count_swaps(vector<int> S)
{
  int n = S.size() / 2;

  if (n == 1) 
  {
    if (S[0] < S[1]) 
    {
      return 0;
    }
    return 1;  
  }

  int countswaps = 0;

  for (int i = 0;i < n;i++) 
  {
    countswaps += i;
  }
  return countswaps;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15