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Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define what a stack is.
💡 Hint: Think about how plates are stacked.
Question 2
Easy
What operation do we use to add an item to a stack?
💡 Hint: What do you do to put another plate on top?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does LIFO stand for?
- Last-In-First-Out
- Last-In-Fast-Out
- Last-One-First-Out
💡 Hint: Think of stacking items.
Question 2
True or False: A stack can have duplicate elements.
- True
- False
💡 Hint: Consider how stacks are constructed.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a stack that can also track the maximum element. Implement push and pop methods accordingly.
💡 Hint: What will happen when you pop? How will you manage the max?
Question 2
Develop a solution using stacks to check for balanced parentheses in an expression.
💡 Hint: What does a balanced expression look like?
Challenge and get performance evaluation