Cheat Sheet | DU Semester Exam Prep 2026 | #delhiuniversity #datastructures

DSA se darr lag raha hai? Don’t worry! Is video mein humne pure Data Structures and Algorithms ke core concepts ko simplify kiya hai, specifically for Delhi University computer science students. Chahe aap exam se ek raat pehle padh rahe ho ya base strong karna chahte ho, ye "Cheat Sheet" video aapke liye perfect hai.
What you will learn in this video:
Linear Structures: Stack (LIFO) aur Queue (FIFO) ka clear difference.
Big-O Analysis: Samjhein Quadratic O(n
2
), Linear O(n), aur Logarithmic O(logn) complexities with examples.
Linked Lists: Singly vs. Doubly Linked Lists ka breakdown.
Trees & Graphs: BFS vs. DFS, AVL Height Balance Condition, aur Perfect vs. Complete Binary Trees.
Tree Traversals: Pre-order, In-order, aur Post-order ko solve karne ka sabse asan tarika.
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Timestamps: 0:00 Intro 1:30 Linear Structures (Stack & Queue)
4:00 Complexity Analysis (Big-O)
7:00 Linked Lists
10:00 Tree Properties & Traversals
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Видео Cheat Sheet | DU Semester Exam Prep 2026 | #delhiuniversity #datastructures канала D BackBenchers