Submission #200383

#	Time	Username	Problem	Language	Result	Execution time	Memory
200383		thiago4532	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	7 ms	504 KiB

shoes

#include "shoes.h"
#include <iostream>

using namespace std;

long long count_swaps(std::vector<int> s) {
	std::vector<int> mark(s.size());
	long long sum = 0;

	for (int i = 0; i < (int)s.size(); i++) {
		if (mark[i])
			continue;

		int j;
		for (j = i + 1; j < (int)s.size(); j++) {
			if(mark[j]) continue;
			if(s[j] + s[i] == 0) break;
		}

		mark[j] = true;
		sum += (j - i);
		if (s[i] < 0) sum--;
	}
	return sum;
}

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