Structured Learning Roadmaps
Step-by-step milestone pathways. Guru automatically selects and guides you through your next optimal problem.
DSA FAANG Interview 75
The essential 75 coding interview patterns covering Arrays, Two Pointers, Sliding Window, Trees, Graphs, and Dynamic Programming.
Milestone Hierarchy
Master in-place manipulation, prefix sums, and element lookup.
Optimize quadratic nested loops into linear O(N) dual-pointer sweeps.
Track running subarrays and contiguous sequences with O(1) state transitions.
Constant time frequency tables, sets, and anagram invariants.
Halve the search space for sorted arrays and rotated inflection points.
Recursive divide-and-conquer, level-order queues, and subtree validation.
Cycle detection, connected components, and shortest-path BFS.
Memoization tables, recurrence relations, and knapsack optimization.