Untitled

#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;

int main()
{
    char matrix[10][10];
    pair<int, int> pos[100];

    int count = 0, lastRow = 0;
    string ptext, ctext, key, keyToPos;
    cout << "Normal text: ";
    getline(cin, ptext);
    cout << "Key: ";
    getline(cin, key);
    cout << endl << "Plain text: " << ptext << endl;

    for(int i = 0; i < 10; i++)
    {
        for(int j = 0; j < 10; j++)
        {
            matrix[i][j] = 'x';
        }
        cout << endl;
    }

    for (int i = 0; i < 10; i++)
    {
        for (int j = 0; j < key.length() && count < ptext.length(); j++)
        {
            if (ptext[count] != ' ')
            {
                matrix[i][j] = ptext[count];
                count++;
                lastRow = i;
            }
            else
            {
                j--;
                count++;
            }
        }
    }

    string tempKey = key;
    int positions[100];
    // memset(positions, 0, sizeof(positions));

    transform(tempKey.begin(), tempKey.end(), tempKey.begin(), ::tolower);
    sort(tempKey.begin(), tempKey.end());

    int posIndex = 0;
    for (char c : key)
    {
        if (isalpha(c))
        {
            positions[posIndex++] = tempKey.find(tolower(c)) + 1;
        }
    }

    for (int i = 0; i < posIndex; i++)
    {
        keyToPos += to_string(positions[i]);
    }

    for (int i = 0; i <= lastRow; i++)
    {
        for (int j = 0; j < key.length(); j++)
        {
            cout << matrix[i][j] << " ";
        }
        cout << endl;
    }

    int posCount = keyToPos.length();
    for (int i = 0; i < posCount; ++i)
    {
        pos[i].first = keyToPos[i] - '0';
        pos[i].second = i;
    }
    sort(pos, pos + posCount);

    for (int i = 0; i < posCount; ++i)
    {
        int col = pos[i].second;
        if (col >= 0 && col < posCount)
        {
            for (int j = 0; j <= lastRow; ++j)
            {
                ctext += matrix[j][col];
            }
        }
    }

    cout << "Encrypted text: " << ctext;

    return 0;
}