제출 #302772

#제출 시각아이디문제언어결과실행 시간메모리
302772IWANTTOGETGOLDINIOIArranging Shoes (IOI19_shoes)C++14
10 / 100
29 ms1920 KiB
#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 = 1; i < n ;i++) 
  {
    countswaps += i;
  }
  return countswaps;
}
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