Curriculum RoadmapOfficial Source
Love Babbar 450
Tracking 21 direct LeetCode problems from the canonical 448-problem checklist (non-LeetCode/GFG problems omitted).
Total Problems: 21
Difficulty: 5 Easy·14 Medium·2 Hard
Distinct Patterns: 12
Algorithmic Pattern Breakdown
Explore sheet-specific problems by patternGraphs
BFS Shortest Path (Unweighted)
2 problems→
Binary Search
Binary Search (Classic Lookup)
1 problem→
Binary Search
Binary Search on a Rotated Array
1 problem→
Graphs
Bounded-Hop Shortest Path (Bellman-Ford Style)
1 problem→
Dynamic Programming
Expand Around Center
1 problem→
Linked List
Fast/Slow Pointers (Cycle & Midpoint)
1 problem→
Graphs
Graph DFS Traversal
1 problem→
Intervals
Merge / Insert Intervals
1 problem→
Sliding Window
Sliding Window (Variable Size)
1 problem→
Dynamic Programming
String Alignment / Subsequence DP
1 problem→
Strings
String Index Scanning
1 problem→
Tries
Trie / Prefix Tree
1 problem→