Submission #1290672

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290672		lucasdmy	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	14 ms	1964 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
long long int count_swaps(vector<int>v){
    return ((v.size()/2)*(v.size()/2-1))/2;
}
/*int main(){
    int n;
    cin>>n;
    vector<int>v(2*n);
    for(int k=0;k<2*n;k++){
        cin>>v[k];
    }
    cout<<count_swaps(v);
}*/

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