Submission #1290722

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290722		kahoul	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	13 ms	1952 KiB

shoes

#include "shoes.h"
using namespace std;

long long count_swaps(vector<int> s) {
	long long ans = 0 ;

    for (int i = 0; i < s.size() / 2; i++) {
        ans += s.size() / 2 - i - 1;
    }

	return ans;
}

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