Submission #291309

#	Time	Username	Problem	Language	Result	Execution time	Memory
291309		juggernaut	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	38 ms	3320 KiB

shoes

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