Submission #713422

#	Time	Username	Problem	Language	Result	Execution time	Memory
713422		europium	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	19 ms	3124 KiB

shoes

#include "shoes.h"
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <numeric>
#include <cmath>
#include<iterator>
#include <set>
#include <map>
#include <math.h>
#include <iomanip>
#include <unordered_set>
using namespace std;

using ll = long long;

ll count_swaps(vector<int> s) {
	ll n = s.size() / 2;

	return n * (n - 1) / 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