Submission #1358379

#	Time	Username	Problem	Language	Result	Execution time	Memory
1358379		alexiah	Arranging Shoes (IOI19_shoes)	C++20	10 / 100	1097 ms	1960 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 , tn = s.size() , n = tn/2;
	for(int i = 0; i < tn; i+=2){
		ll act = -1;
		for(int j = i+1; j < tn; j++){
			if(abs(s[i]) == abs(s[j])){
				act = j; break;
			}
		}
		while(act > i+1){
			swap(s[act] , s[act-1]); ans++; act--;
		}
		if(s[i] > 0){
			swap(s[i] , s[i+1]); ans++;
		}
	}
    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