04. Some Ordering

#include <iostream>
#include <string>
#include <memory>

using namespace std;

unique_ptr<char[]> transform(const char* text, const int& n, char (*transformFunc)(const char&)) {
    unique_ptr<char[]> result = make_unique<char[]>(n);

    for (int i = 0; i < n; i++) {
        result[i] = transformFunc(text[i]);
    }
    return result;
}

int main()
{
    string input;
    getline(cin, input);

    unique_ptr<char[]> lowerValue = transform(input.c_str(), input.length() + 1, [](const char& s) { return (char)tolower(s); });
    cout << lowerValue.get() << endl;

    unique_ptr<char[]> upperValue = transform(input.c_str(), input.length() + 1, [](const char& s) { return (char)toupper(s); });
    cout << upperValue.get() << endl;

    return 0;
}