Submission #1135261

#	Time	Username	Problem	Language	Result	Execution time	Memory
1135261		vibeduck	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	14 ms	1956 KiB

shoes

#include "shoes.h"
//#define int long long

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

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