Submission #143308

#	Time	Username	Problem	Language	Result	Execution time	Memory
143308		VladaMG98	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	33 ms	1916 KiB

shoes

#include "shoes.h"

long long count_swaps(std::vector<int> S) {
  int N = (int)S.size() / 2;
  return 1ll * N * (N - 1) / 2;
}

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