Submission #301176

#	Time	Username	Problem	Language	Result	Execution time	Memory
301176		eagle30	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	33 ms	3192 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long count_swaps(vector<int> s) {
    long long n=s.size();
    n/=2;
    n--;
    n=n*(n+1);
    n/=2;
    return n;
}

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