Submission #1292555

#	Time	Username	Problem	Language	Result	Execution time	Memory
1292555		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;
    vector<int> S = shoes;

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

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

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

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

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

        S.erase(S.begin());
        S.erase(S.begin());
    }

    return Answer;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:11:33: error: 'A' was not declared in this scope
   11 |         int FirstShoeSize = abs(A);
      |                                 ^