Submission #1165029

#	Time	Username	Problem	Language	Result	Execution time	Memory
1165029		SG2Alok	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	12 ms	1864 KiB

shoes

#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
*/

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