Submission #1165029

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1165029	2025-03-10 21:38:36	SG2Alok	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	12 ms	1864 KiB

shoes

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#include "shoes.h"
long long count_swaps(std::vector<int> s) {
  long long tmp = s.size() / 2;
  return tmp * (tmp - 1) / 2;
}
/*
  -1 1 -2 2 -3 3
  
  2
*/
 
 
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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