Submission #805589

#	Time	Username	Problem	Language	Result	Execution time	Memory
805589		vjudge1	Arranging Shoes (IOI19_shoes)	C++17	25 / 100	15 ms	3124 KiB

shoes

#include "shoes.h"
#include "bits/stdc++.h"
using namespace std;
long long count_swaps(vector<int> s){
    if(s.size() == 2){
        if(s[0] > s[1]) return 1;
        else return 0;
    } else return ((s.size() / 2) * ((s.size() / 2) - 1)) / 2;
}

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