Submission #837868

#	Time	Username	Problem	Language	Result	Execution time	Memory
837868		DarkMatter	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1 ms	212 KiB

shoes

#include<bits/stdc++.h>
#include "shoes.h"

using namespace std;

long long count_swaps(std::vector<int> v) {
	int n = v.size();
	long long ans = 0;
	vector<int>l, r, idx(n / 2);
	for (int i = 0; i < n; i++)
		v[i] > 0 ? r.push_back(i) : l.push_back(i);
	for (int i = 0; i < n / 2; i++) {
		int dif = abs(l[i] - r[i]) - 1;
		ans += dif;
		if (l[i] > r[i])
			ans++;
	}
	return ans;
}

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