Submission #331528

#	Time	Username	Problem	Language	Result	Execution time	Memory
331528		blue	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	28 ms	3200 KiB

shoes

#include "shoes.h"
#include <vector>
using namespace std;

long long count_swaps(vector<int> S)
{
    long long n = S.size()/2;
    return (n-1)*n/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