Submission #255908

#	Time	Username	Problem	Language	Result	Execution time	Memory
255908		b00n0rp	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	33 ms	3192 KiB

shoes

#include "shoes.h"

long long count_swaps(std::vector<int> s) {
	int n = s.size()/2;
	return ((long long)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