Submission #955598

#	Time	Username	Problem	Language	Result	Execution time	Memory
955598		horiseun	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	18 ms	3164 KiB

shoes

#include <iostream>
#include <vector>
#include <algorithm>
#include "shoes.h"
using namespace std;

#define ll long long

ll count_swaps(vector<int> s) {
	int n = s.size() / 2;
	ll ans = 0;
	for (int i = n - 1; i >= 0; i--) {
		ans += i;
	}
	return ans;
}

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