代码题库

Trade-Size Tier Histogram via Right-Inclusive Edges

Bucket-Sort P&L Histogram

Build Largest P&L Signal-Strength String

Closest Trade Pair to Target Notional

Per-Side Dense-Rank Annotation for the Day's Blotter

Empirical Inverse-CDF Marginal Mapping (Copula Pipeline, Step Two)

EWMA-Weighted Historical VaR

Filtered Historical Simulation VaR

Find Third Largest Distinct

Greedy Coin Change on a Canonical Denomination Set

Minimum Fee-Tier Selection to Cover a Target Volume Range

Walking the Book: Greedy Minimum-Cost Fill

Minimum Platforms for a Railway Schedule

Historical Expected Shortfall at Multiple Confidence Levels

Historical Expected Shortfall

Historical VaR at Multiple Confidence Levels

Insert and Merge Order-Book Price-Level Intervals

Inverse Percentile Rank of Daily PnL Against Reference Distribution

Jump Game — Can You Reach the Last Index

Largest Divisible Pair (Sort + Scan)

Max Non-Overlapping Trade Windows

Single-Session Child-Order Scheduling with FIX Reconfigure Gap

Maximum Child-Order Throughput With Per-Order Durations And A FIX-Session Gap

Maximum Concurrent Trades

Mean-Excess Curve Across a Threshold Grid

Merge K Sorted Trade Streams

Merge Overlapping Quote-Validity Windows

Merge Two Sorted Lists — Iterative Two-Pointer

Throttle-Window Compliance Replay: Minimum Order Cancels

Regime-Stability Segmentation — Fewest Bounded-Spread Runs Over A Return Stream

Position-Band Governance: Minimum Flatten-Resets to Stay Inside [-L, +L]

Minimum Concurrent Streaming Jobs for Execution Windows

Minimum Routers with FIX-Session Setup Delay

Min Rebalance Windows To Remove

Min Intervals To Remove For Non-Overlap

Notional by Venue, Ranked

Order Queue Priority

Pancake Sort: Flip Sequence

Linear-Interpolation Percentile of Trade PnL

Position Fingerprint Grouping

Quartile Pack with IQR from Per-Period Returns

Rank Records by Multi-Key Tie-Break Rule

Rank-Disagreement Count: Pairwise Inversions Between Expected and Realized Strategy Rankings

Rank Strategies by Sharpe with Vol Tiebreak

Regime-Conditional Historical Expected Shortfall

Regime-Conditional Historical VaR

Size-Weighted Median Fill Price

Strategy Leaderboard: Top-K by Sharpe with Lexicographic Tie-Break

Stressed Expected Shortfall — Worst Rolling-Window Historical ES

Stressed VaR — Worst Rolling-Window Historical VaR

Top K Liquid Tickers

TCA Worst-K Fills: Top-K Slippage with Stable Arrival-Seq Tiebreak

Weighted Historical VaR with Custom Weights