std::unique_ptr Basics

Medium Dynamic Memory & Smart Pointers

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Problem Statement

Create a `Widget` class with a `void show()` printing ‘Showing’ and a destructor printing ‘Widget Destroyed’. Wrap its dynamic allocation using `std::unique_ptr`. Call `show()` using the `->` operator. Notice how the destructor is called without you writing `delete`.

Input Format

None

Output Format

Print the sequence.

Constraints

None

Sample Output

Showing
Widget Destroyed

Explanation

A unique_ptr owns the object exclusively. When the unique_ptr goes out of scope, it automatically destroys the object it points to.

Starter Code

#include <iostream>
#include <memory>

class Widget {
public:
    // Implement show() and destructor
};

int main() {
    // Allocate unique_ptr and call show()
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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