Submission #1358369

#	Time	Username	Problem	Language	Result	Execution time	Memory
1358369		alexiah	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	14 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 , sinn = 0;
    for(auto x : s){
        if(x < 0) sinn++;
        else {
            ans += sinn - 1;sinn--;
        }
    }
    return ans;
}

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