Submission #520983

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
520983	2022-01-31 15:14:27	ColourAttila	Arranging Shoes (IOI19_shoes)	C++17	25 / 100	17 ms	1868 KiB

shoes

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#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long count_swaps(std::vector<int> s) {
  if(s.size() == 2) {
        return s[0] < 0 ? 0 : 1;
  }
  
  long long n = s.size()/2;
  return (n * (n-1)/2);
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15