Submission #520970

#	Time	Username	Problem	Language	Result	Execution time	Memory
520970		FulopMate	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	30 ms	3084 KiB

shoes

#include "shoes.h"

long long count_swaps(std::vector<int> s) {
	return (s.size()/2-1) * (s.size()/2)/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