代码题库

Binary-State Strategy — Best PnL With Post-Exit Cooldown

Best Single Trade in a Day

Best Trades With K Transactions and Fee

Bounded K Transactions: 2D DP for Maximum Profit

Multi-Strike Portfolio with Per-Strike Share Cap (Bounded Knapsack)

Best Realized PnL Bound Under K Disjoint Round-Trips with Per-Roundtrip Impact Cost

Budgeted Whole-Share Portfolio

Conditional Scenario-Tree Probability-Weighted PnL Aggregation

Count Regime Paths Satisfying Constraint

Cumulative Default Probability from Marginal Hazard Rates: Term-Structure Composition

Sequenced Limit Orders — Earliest K-th Fire Day With Per-Order Threshold And Cooldown Gap

Edit Distance for Ticker-Symbol Mapping

Minimum Cost Path Through a Grid

Maximum P&L Path Through a Grid

Jump Game II — Minimum Jumps to Reach Last Index

Budget-Constrained Ticker Selection (0/1 Knapsack)

Longest Stair-Stepping Subsequence Of Cumulative-PnL Reports Under A Minimum-Gain Gate

Longest Sub-Window Beating a PnL Target via Monotonic-Stack on Prefix Sums

Marginal Default Probability from a Cumulative-PD Term Structure: Inverse Bootstrap

Maximum Cumulative Carry Under a Bounded Sign-Flip Budget

Maximum Realised Cumulative Return When Allowed To Skip At Most K Periods

Winning-Streak Counting — Maximum Disjoint Positive-Sum Runs of Minimum Length

Maximum Grid PnL Path With At-Most-K Cell Skips (Right/Down)

Max-Reward Sequence Alignment Across Trade-Action Streams

Maximum Total Reward From Timestamped Trade Candidates Under A Compliance Hold-Period Gap

Three-State Action Path — Max Cumulative Reward With Flat Per-Flip Switching Penalty

Max Sum of a Min-Step-Monotone Reward Subsequence (Stair-Step PnL Ceiling)

Minimum Cost for Train Travel Passes

Minimum Flips for Monotone Up-Day Pattern

Best Single Round-Trip Realized PnL Under a Minimum-Holding-Period Compliance Rule

Tear-Sheet Bucketing — Fewest Strictly-Positive-Sum Cover Chunks With Per-Block Length Cap

Optimal Cooldown Period Trades

Optimal Strike Allocation in Option Spread

Pairwise Rating-Transition Probability at Horizon: Single Entry of Markov Chain M^H

Partition Orders to Minimize Basis Mismatch

Pascal's Triangle Row in O(k) Space

Whole-Share Portfolio Allocator under a Single-Name Cap

Multi-Step Rating Distribution Propagation: Markov Transition Forward H Steps

Sticky Binary-State Strategy — Best PnL With Per-Flip Tax And Initial-State Anchor

Iterative Tribonacci Number

Two-Budget Strike-Premium Knapsack (Delta and Vega Caps)

Unique Paths with Obstacles

Weighted-Cost Edit Distance Between Trade-Action Paths