Submission #1292557

#	Time	Username	Problem	Language	Result	Execution time	Memory
1292557		lukaye_19	Arranging Shoes (IOI19_shoes)	C++20	Compilation error	0 ms	0 KiB

shoes

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

long long count_swaps(vector<int>Shoes) {
    long long Answer = 0;

    while (Shoes.size() != 0) 
    {
        int FirstShoe = S[0];
        int FirstShoeSize = abs(FirstShoe);

        int ShoeIndex = -1;
        
        for (int i = 1; i < Shoes.size(); i++) 
        {
            if (abs(Shoes[i]) == FirstShoe) 
            {
                Answer = i;
                
                break;
            }
        }

        if (FirstShoe > 0) 
        {
            Answer += (ShoeIndex - 1);

            while (ShoeIndex > 1) 
            {
                swap(Shoes[ShoeIndex], Shoes[ShoeIndex - 1]);
                
                ShoeIndex--;
            }
        } 
        else 
        {
            Answer += ShoeIndex;

            while (ShoeIndex > 0) 
            {
                swap(Shoes[ShoeIndex], Shoes[ShoeIndex - 1]);
                
                ShoeIndex--;
            }
        }

        Shoes.erase(Shoes.begin());
        Shoes.erase(Shoes.begin());
    }

    return Answer;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:9:25: error: 'S' was not declared in this scope
    9 |         int FirstShoe = S[0];
      |                         ^