NEETCODE OPS CENTER / TRAINING MODE
Gamified DSA Lab
Level up algorithms with short sprints, pattern-first quests, and boss fights. Track XP, keep a streak, and ship solutions fast.
1
Next at 150 XP
0 / 8 bosses cleared
Win today: 1 warm-up + 1 medium + notes
Mission Focus
Pattern-first learning
Solve by mapping to patterns. Optimize after a brute-force draft.
Roadmap
Toggle when you beat the boss
Two pointers, sliding window, counting
Arrays & Strings
Core quests
Counting, prefix sums, collisions
Hash Maps & Sets
Core quests
Monotonic patterns, BFS
Stacks & Queues
Core quests
Bounded search, predicate -> answer
Binary Search
Core quests
DFS/BFS, traversal patterns
Trees & Graphs
Core quests
States, transitions, memo vs tabulation
Dynamic Programming
Core quests
Sorting + choice proofs
Greedy & Intervals
Core quests
Search tree, pruning, ordering
Backtracking
Core quests
Daily Missions
XP +10 eachPattern Reps
- ▸Do 1 warm-up in < 5m
- ▸Solve 1 medium timed (20-25m)
- ▸Write 3 bullet proof-of-correctness
Skill XP
- ▸Explain aloud: why binary search works
- ▸Draw states for today’s DP
- ▸Note 2 failing edge cases for each problem
Recovery
- ▸Review yesterday’s notes
- ▸Flash 5 spaced cards
- ▸Commit solutions repo
Sprint Loadouts
Pick one and press start
30-min Daily Sprint
0:30- ▹5m: quick warm-up (easy)
- ▹15m: 1 medium pattern
- ▹10m: notes + flashcards
90-min Deep Dive
1:30- ▹10m: review cheatsheet & pattern
- ▹60m: 2 mediums or 1 hard with iterations
- ▹20m: rewrite in own words + edge cases
Weekend Boss Rush
2:30- ▹20m: pick theme & read solutions
- ▹90m: 3 mediums (timer on)
- ▹20m: implement from memory
- ▹20m: retrospective & spaced repetition items
Pattern Ladder
Clear in order until it feels automatic.
- 01Sliding window
- 02Monotonic stack
- 03Prefix sums
- 04Binary search on answer
- 05Backtracking template
- 06Topological sort
- 071D/2D DP
Boss practice
Pick one old boss and solve from memory. No peeking for 20 minutes.
SHIP SOLUTIONS FAST
Checklist before hitting submit
- ▹ State the pattern + why it applies
- ▹ Time & space in plain language
- ▹ Edge cases: empty, single, extremes, duplicates
- ▹ Dry run with smallest failing example