Submission #145384

#	Time	Username	Problem	Language	Result	Execution time	Memory
145384		Eae02	Arranging Shoes (IOI19_shoes)	C++17	50 / 100	1080 ms	9496 KiB

shoes

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

using ll = long long;
using namespace std;

ll count_swaps(vector<int> s) {
	list<int> sl(s.begin(), s.end());
	
	ll swaps = 0;
	for (auto it = sl.begin(); it != sl.end(); ++it) {
		int v = *it;
		
		auto b = next(it);
		while (*b != -v) {
			swaps++;
			++b;
		}
		
		if (v > 0)
			swaps++;
		
		sl.erase(b);
	}
	
	return swaps;
}

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