代码题库

Backward Induction on a Generic Binary Tree

Invert Binary Tree (Mirror)

Maximum Depth of a Binary Tree (Recursive)

Symmetric Binary Tree Check

American Put Pricing on a CRR Binomial Tree

Cluster Correlated Tickers

Factor Cluster Count: Connected Components on a Thresholded Correlation Graph

Win-Count Leaves on a Forward Scenario Tree

Count Regime Paths Satisfying Constraint

Currency Arbitrage Cycle Detection (Bellman-Ford on Log Rates)

Recursive Binary Decision-Tree Evaluator

Deepest No-Drawdown Leaf on a Forward Scenario Tree

Enumerate Hedge Decompositions

Factor Dependency Topo Order: Deterministic Min-Heap Kahn for Nightly Rebuild

Count Connected Components in an Undirected Graph

Detect a Cycle in an Undirected Graph

Incremental Largest Cluster Size: Streaming Union-Find on a Factor-Pair Edge Tape

Largest Factor Cluster Size: Maximum Connected Component on a Thresholded Correlation Graph

Min Hops to Core Factor Set: Multi-Source BFS on a Factor-Similarity Graph

Minimum Knight Moves — BFS on an Infinite Board

Minimum Max-Drawdown Across Root-to-Leaf Paths

Aggregate P&L Up a Portfolio Hierarchy Tree

Probability of Reaching a Target Leaf Set on a Binary Scenario Tree

Recursive Walk Down a Hierarchical Rebate-Tier Tree

Per-Node Conditional Expected Leaf Payoff on a Scenario Tree

Regime Transition Path Count: Modular DAG Walk Enumeration with Distinguishable Catalysts

Rotting Oranges — Multi-Source BFS

Expected PnL on a Risk-Officer Scenario Tree

Worst-Case Leaf PnL on a Risk-Officer Scenario Tree

Shortest Hop Path on a Routing Graph

Co-Trading Graph — Connected Components of Session Trade Pairs

Search a Binary Search Tree for a Target

Validate Binary Search Tree (Recursive Bounds)