Data Structures and Algorithms The Complete Masterclass - Max Stacks

The video tutorial explains the concept of a Max Stack, which is similar to a regular stack but also keeps track of the maximum value. The instructor demonstrates how to perform basic operations such as push, pop, and get Max, using a list to implement the stack. The tutorial includes a step-by-step guide on how to handle these operations, including comparisons to maintain the Max Stack. The video concludes with a brief discussion on coding the Max Stack and a summary of the key points covered.

What is the primary purpose of a Max Stack compared to a regular stack?

• To sort the elements in descending order

• To double the capacity of the stack

• To store only the maximum values

• To maintain the maximum value at any point

When pushing a new element onto the Max Stack, what should be done if the stack is not empty?

• Double the value of the new element

• Compare the new element with the current maximum

• Remove the current maximum

• Add the element without any checks

What happens if the new element is greater than the current maximum in the Max Stack?

• The stack is cleared

• The new element replaces the current maximum

• The new element is ignored

• The new element is added without any changes

What is the purpose of the 'get Max' operation in a Max Stack?

• To reset the stack

• To add a new maximum element

• To retrieve the maximum element

• To remove the maximum element

During a pop operation, what should be checked before removing an element from the Max Stack?

• If the stack is full

• If the element is the current maximum

• If the element is the smallest

• If the stack is empty