Submission #147519

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
147519	2019-08-29 23:04:11	ioilolcom	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	36 ms	3192 KiB

shoes

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