Submission #1060350

#	Time	Username	Problem	Language	Result	Execution time	Memory
1060350		nickolasarapidis	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1099 ms	1992 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long

ll count_swaps(vector<int> S){
	int N = S.size();

	ll ans = 0;

	vector<bool> v(N, false);

	for(int i = 0; i < N; i++){
		ll s;
		if(S[i] < 0){
			s = 0;
		}
		else{
			s = 1;
		}
    
		if(v[i] == false){
		    for(int j = i + 1; j < N; j++){
    		    if(v[j] == false and abs(S[j]) == abs(S[i])){
    				ans += s;
    				v[j] = true;
    				break;
    			}
    			if(v[j] == false){
    				s++;
    			}
    		}
		}
	}

	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