Data Structure & Algorithm Notes

Arrays & Hashing
- Hash Usage
- Arrays & Hashing
Two Pointers
Stack
Binary Search
Sliding Window
Linked List
Sorting
Trees
Tries
Backtracking
Heap / Priority Queue
Graphs
1-D Dynamic Programming
Intervals
Greedy
Advanced Graphs
2-D Dynamic Programming
Bit Manipulation
Math & Geometry

Push and Pop

Push and Pop #