CODING CHALLENGES

代码题库

用接近 LeetCode 的题表进入训练:先筛选题目,再进入双栏题面和编辑器。每道题只展示它实际声明支持的语言。

继续刷题

题目列表

显示 25 / 646 道可提交题。 当前筛选:标签:Array,难度:简单,语言:Python

提交状态:未尝试未正确已正确
未尝试
coding-basel-traffic-light-zones订阅锁定
Basel VaR Backtest Traffic-Light Zones

Basel VaR Backtest Traffic-Light Zones

简单面试准备Python / C++ / Rust
未尝试
coding-best-single-trade-in-a-day可练习
日内最优单次交易

Best Single Trade in a Day

简单免费版Python / C++ / Rust
未尝试
coding-counterparty-max-count-differential可练习
对手方活跃度漂移:跨两段成交流水的最大计数差异

Counterparty Activity Shift: Largest Trade-Count Differential Across Two Sessions

简单免费版Python / C++ / Rust
未尝试
coding-counterparty-notional-aggregator可练习
对手方毛敞口聚合器:按规模排序的汇总表

Counterparty Gross-Notional Aggregator: Magnitude-Sorted Roll-Up

简单免费版Python / C++ / Rust
未尝试
coding-cumulative-volume-snapshot可练习
累计成交量快照查询

Cumulative Volume Snapshot

简单免费版Python / C++ / Rust
未尝试
coding-day-over-day-counterparty-symmetric-diff可练习
对手方轮动指示器:日间对称差大小序列

Counterparty Rotation Indicator: Day-Over-Day Symmetric-Difference Series

简单免费版Python / C++ / Rust
未尝试
coding-fill-attribution-by-parent-id可练习
按父单 ID 归集成交:子单回填到父单

Fill Attribution by Parent Order ID

简单免费版Python / C++ / Rust
未尝试
coding-first-day-cumulative-pnl-crosses-threshold可练习
累计 PnL 首次突破阈值的交易日

First Day Cumulative PnL Crosses Threshold

简单免费版Python / C++ / Rust
未尝试
coding-first-order-id-with-freq-k可练习
成交审计频次探针:定位首个生命周期 FIX 事件数恰为 k 的 order ID

Fills-Audit Frequency Probe: First Order-ID Whose Lifecycle Hits Exactly k FIX Events

简单免费版Python / C++ / Rust
未尝试
coding-first-unique-character可练习
第一个唯一字符

First Unique Character

简单免费版Python / C++ / Rust
未尝试
coding-k-day-rolling-mean-filter可练习
K 日滚动均价滤波

K-Day Rolling Mean Filter

简单免费版Python / C++ / Rust
未尝试
coding-match-bid-ask-snapshots可练习
撮合买卖盘快照时间戳

Match Bid and Ask Snapshots

简单免费版Python / C++ / Rust
未尝试
coding-max-sum-fixed-window-array可练习
定长滑动窗口最大和

Max Sum of Fixed-Size Window

简单免费版Python / C++ / Rust
未尝试
coding-min-flips-monotone-pnl可练习
最少翻转使涨跌序列单调

Minimum Flips for Monotone Up-Day Pattern

简单免费版Python / C++ / Rust
未尝试
coding-most-frequent-consecutive-event-pair可练习
订单事件足迹:找出最频繁的连续事件二元组

Order-Event Footprint: Most-Frequent Consecutive Event-Pair

简单免费版Python / C++ / Rust
未尝试
coding-pascals-triangle-row可练习
杨辉三角第 k 行的 O(k) 空间解

Pascal's Triangle Row in O(k) Space

简单免费版Python / C++ / Rust
未尝试
coding-peak-inventory-day-after-batch-trades可练习
批量区间增量交易后的峰值库存日

Peak Inventory Day After Batched Range-Update Trades

简单免费版Python / C++ / Rust
未尝试
coding-resample-ohlc-bars订阅锁定
将逐笔成交重采样为定频 OHLC K 线

Resample Tick Prints into Fixed-Interval OHLC Bars

简单面试准备Python / C++ / Rust
未尝试
coding-stress-coverage-ratio-against-capital订阅锁定
Stress Coverage Ratios Against Available Capital

Stress Coverage Ratios Against Available Capital

简单面试准备Python / C++ / Rust
未尝试
coding-stress-loss-aggregation-by-bucket订阅锁定
按桶维度聚合压力测试损失

Stress-Loss Aggregation by Bucket

简单面试准备Python / C++ / Rust
未尝试
coding-top-k-liquid-tickers可练习
流动性 Top-K 标的榜单

Top K Liquid Tickers

简单免费版Python / C++ / Rust
未尝试
coding-tribonacci-iterative可练习
迭代法求 Tribonacci 数

Iterative Tribonacci Number

简单免费版Python / C++ / Rust
未尝试简单免费版Python / C++ / Rust
未尝试
coding-unique-tickers-in-session可练习
盘中出现的唯一标的集合

Unique Tickers In Session

简单免费版Python / C++ / Rust
未尝试
coding-welford-online-variance订阅锁定
Welford 在线方差

Welford's Online Variance

简单面试准备Python / C++ / Rust