Submission #1358376

#	Time	Username	Problem	Language	Result	Execution time	Memory
1358376		alexiah	Arranging Shoes (IOI19_shoes)	C++20	10 / 100	1093 ms	3792 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;

long long count_swaps(vector<int> s) {
	ll ans = 0;
	while(!s.empty()){
		ll act = -1 , tn = s.size();
		for(ll i = 1; i < tn; i++){
			if(abs(s[0]) == abs(s[i])){
				act = i; break;
			}
		}
		ans += act-1;
		if(s[0] > 0) ans++;
		vi ns;
		for(ll i = 1; i < tn; i++){
			if(i != act) ns.push_back(s[i]);
		}
		s = ns;
	}
    return ans;
}

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