Solution: Pair Template

#include <iostream>
template<typename T>
class Pair {
private:
    T first;
    T second;
public:
    Pair(const T& firstValue, const T& secondValue)
        : first(firstValue), second(secondValue) {}
    T getFirst() const {
        return first;
    }
    T getSecond() const {
        return second;
    }
    void setFirst(const T& value) {
        first = value;
    }
    void setSecond(const T& value) {
        second = value;
    }
    bool operator==(const Pair<T>& other) const {
        return (first == other.first) && (second == other.second);
    }
};
template<typename T>
using ValuePair = Pair<T>;
int main() {
    std::cout << "Pair:" << std::endl;
    Pair<int> intPair(10, 20);
    std::cout << "Integers( " << "First value: " << intPair.getFirst()
        << ", Second value: " << intPair.getSecond() << " )" << std::endl;
    Pair<double> doublePair(3.14, 2.71);
    std::cout << "Doubles( " << "First value: " << doublePair.getFirst() 
        << ", Second value: " << doublePair.getSecond() << " )" << std::endl;
    Pair<std::string> stringPair("Hello", "World");
    std::cout << "Strings( " << "First value: " << stringPair.getFirst() 
        <<  ", Second value: " << stringPair.getSecond() <<" )" << std::endl;
    std::cout << "Value Pair:" << std::endl;
    ValuePair<int> intValuePair(42, 42);
    std::cout << "Integers( " << "First value: " << intValuePair.getFirst() 
        << ", Second value: " << intValuePair.getSecond() << " )" << std::endl;
    std::cout << "Equality Comparison:" << std::endl;
    std::cout << "intPair == intValuePair: " << (intPair == intValuePair) << std::endl;
    return 0;
}