Practice Problems
Basic Stack Operations:
- Valid Parentheses
- Implement Stack using Queues
- Reverse a string using Stack
- Backspace String Compare
- Baseball Game
- Reverse a string using Stack
Monotonic Stack:
- Next Greater Element I
- Next Greater Element II
- Help Classmates
- Daily Temperatures
- Trapping Rain Water
- Largest Rectangle in Histogram
Stack with Extra Operations:
Stack with Recursion or DFS:
Infix/Prefix/Postfix Expressions:
Stack with Backtracking:
Stack in Tree Traversals:
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