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Stack

Backspace String Compare

132 Pattern

Decoded String at Index

September 27, 2023 · 3 min ·  Tags List of tags for the post   leetcode ·  stack ·  string ·  Last updated: Aug 2, 2025

Nested List Weight Sum 2

Count Salary Categories Problem

Flatten Nested List Iterator

Remove Duplicate Letters

Asteroid Collision

Add Two Numbers represented as Linked List in Forward order

Convert an infix expression to postfix

April 30, 2023 · 6 min ·  Tags List of tags for the post   conversion ·  stack ·  rpn ·  infix ·  Last updated: Aug 2, 2025
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