Submission #291310

#	Time	Username	Problem	Language	Result	Execution time	Memory
291310		juggernaut	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	47 ms	1924 KiB

shoes

#include<bits/stdc++.h>
#include"shoes.h"
using namespace std;
typedef long long int ll;
long long count_swaps(vector<int>v){
    ll n=v.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