algorithmsEASYALGORITHM TRACING
Warm up with sliding window anomaly score diagnostic drill
Easy Algorithms arena: two pointers, running sums, and window constraints
XP reward
145
Coins
12
Target time
45m
A learner is about to attempt the full sliding window anomaly score arena. Build a smaller but realistic diagnostic that exposes whether they understand two pointers, running sums, and window constraints. You are working inside an algorithm arena, and the arena only clears when the result is safe, deterministic, and explainable.
Learning objective
Learn to apply two pointers, running sums, and window constraints in an algorithm arena while explaining the invariant, safety constraints, and hidden edge cases.
Mission order
An array of event scores and a target risk threshold. Include one normal case, one malformed case, and one ordering or safety edge case. Implement the direct solution first, then document the one edge case that can break it. Submit the solution plus enough reasoning to pass hidden edge cases.Visible checks
sample case
Expected: 2
empty input
Expected: 0
Clear requirements
- Demonstrates two pointers, running sums, and window constraints
- Handles the visible sample and hidden edge cases
- Keeps output deterministic and explainable
- Avoids unsafe dynamic execution
Secure validation contract
Judge type
ALGORITHM TRACING
Complexity target
Readable O(n) or O(n log n) baseline
Workspace
Code editor
pythonsafe mock judge
Charging editor core
Test Results
Run the visible checks when your first pass is ready.
Clear Protocol
1Read the scenario and restate the expected output shape.
2Run visible checks before chasing hidden edge cases.
3Use Genie for one nudge if stuck, then explain the invariant.
4Submit only when the result is deterministic and safe.
Rewards
XP
145
Coins
12
Mission Route
Hints
Hints are metered and logged for No Hint Hero runs.
Genie Mentor Core
Hint protocol / contextual guardrails active
Progressive hints
Failed-test aware
Solution guarded
Mission: algorithms-easy-sliding-window-anomaly-diagnostic0 attempts0 failed tests0 hints used
Progressive hint depth
Genie: Genie online. I use your mission, attempts, failed tests, hints, and path context to coach the next rep without dumping answers first.