Submission #143414

#	Time	Username	Problem	Language	Result	Execution time	Memory
143414		gs14004	Arranging Shoes (IOI19_shoes)	C++17	45 / 100	32 ms	2040 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
#define sz(v) ((int)(v).size())
using lint = long long;

lint count_swaps(std::vector<int> s) {
	lint ret = 0;
  int ptr = 0;
	for(int i=0; i<sz(s); i++){
		if(s[i] < 0) ret += abs(i - 2 * (ptr++));
	}
	return ret;
}

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