Submission #1349406

#	Time	Username	Problem	Language	Result	Execution time	Memory
1349406		cpismayilmmdv985	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	9 ms	1960 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

long long count_swaps(vector<int> s) {
   int64_t N = s.size() >> 1, res = 0, X = N - 1;
   for (int i = 0; i < N; i++)   res += X--;
   return res;
}

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