Submission #670534

#	Time	Username	Problem	Language	Result	Execution time	Memory
670534		birthdaycake	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	18 ms	3104 KiB

shoes

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

int vs[1001];
long long count_swaps(vector<int>s) {
    long long n = s.size();
    n /= 2;
    n--;
    
    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