DSA Interview - Intermediate Level
For developers with 2-4 years of DSA experience. Master trees, graphs, dynamic programming, heaps, and efficient algorithms.
30-35 minutes
2-4 years of DSA experience
Who is this for?
Mid-level developers
Those preparing for FAANG interviews
Developers with DSA foundation
CS grads with some experience
What you'll practice
Tree traversals and operations
Graph algorithms (BFS, DFS)
Dynamic programming basics
Using heaps and priority queues
Advanced hash table problems
Optimizing solutions
Topics covered
Trees
Binary trees
BST
Tree traversals
Tree problems
Graphs
Graph representation
BFS
DFS
Basic graph problems
Dynamic Programming
DP basics
Memoization
Tabulation
Common DP patterns
Advanced Structures
Heaps
Priority queues
Hash tables
Linked lists
Example questions
Q:
Implement BFS and DFS
Q:
Find the lowest common ancestor in a binary tree
Q:
Solve the climbing stairs problem (DP)
Q:
Implement a min heap
Q:
Detect a cycle in a linked list
Q:
Find the kth largest element
Preparation tips
Master tree traversals
Practice graph algorithms
Learn DP patterns
Understand heaps
Solve LeetCode Medium
Analyze time/space complexity
Continue your journey
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