Submission #143409

#	Time	Username	Problem	Language	Result	Execution time	Memory
143409		gs14004	Arranging Shoes (IOI19_shoes)	C++17	0 / 100	2 ms	376 KiB

shoes

#include "shoes.h"
#define sz(v) ((int)(v).size())
long long count_swaps(std::vector<int> s) {
	return 1ll * sz(s) * (sz(s) - 1) / 2;
}

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