Submission #428058

#	Time	Username	Problem	Language	Result	Execution time	Memory
428058		A_D	Arranging Shoes (IOI19_shoes)	C++14	25 / 100	25 ms	1860 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
long long count_swaps(std::vector<int> s) {
    if(s.size()==2)return s[0]>s[1];
	long long n=s.size();
	n/=2;
	return n*(n-1)/2;
}

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