Submission #736667

#	Time	Username	Problem	Language	Result	Execution time	Memory
736667		bobthebuilder	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	26 ms	3128 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
#define sz(x) (int)x.size()
long long count_swaps(std::vector<int> s) {
	int n=sz(s)/2;
	return 1LL*(n-1)*n/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