Learning Platform
Data Structures & Algorithms
Systematic approach to problem solving
Total Progress
0/918
0%
Completed
Practice Topics
Arrays & Strings
Master array manipulation, two pointers, sliding window
Problems175
Level 165
Level 270
Level 340
Completion0%
Linked Lists
Learn singly, doubly, circular lists and fast-slow pointers
Problems63
Level 120
Level 228
Level 315
Completion0%
Stacks & Queues
Stack, queue, monotonic stack, and priority queue
Problems85
Level 130
Level 235
Level 320
Completion0%
Trees & Graphs
Binary trees, BST, graphs, BFS/DFS, shortest paths
Problems180
Level 150
Level 280
Level 350
Completion0%
Dynamic Programming
1D/2D DP, LCS, LIS, knapsack variations
Problems150
Level 130
Level 270
Level 350
Completion0%
Searching & Sorting
Binary search, sorting algorithms, quick select
Problems95
Level 135
Level 240
Level 320
Completion0%
Hashing
HashMaps, HashSets, rolling hash techniques
Problems80
Level 135
Level 230
Level 315
Completion0%
Advanced Topics
Bit manipulation, tries, segment trees, divide & conquer
Problems90
Level 110
Level 240
Level 340
Completion0%