Submission #521033

#	Time	Username	Problem	Language	Result	Execution time	Memory
521033		Valaki2	Arranging Shoes (IOI19_shoes)	C++14	25 / 100	28 ms	2720 KiB

shoes

#include "shoes.h"

#define ll long long

using namespace std;

ll count_swaps(vector<int> s) {
    ll n = s.size() / 2;
    if(n == 1) return s[0] > s[1];
    return n * (n - 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