Submission #1303728

#	Time	Username	Problem	Language	Result	Execution time	Memory
1303728		JahonaliX	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	19 ms	1952 KiB

shoes

#include "shoes.h"

long long count_swaps(std::vector<int> s) {
    long long n = s.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