Submission #418950

#	Time	Username	Problem	Language	Result	Execution time	Memory
418950		FlippenFaz	Arranging Shoes (IOI19_shoes)	C++14	0 / 100	22 ms	1848 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>

long long sum_to_N(long long inp) {
    return (inp*inp+1)/2;
}

long long count_swaps(std::vector<int> s) {
	
    return sum_to_N(s.size()/2-1);

}

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