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 12 / 646 道可提交题。 当前筛选：标签：Statistics，难度：简单，权限：免费

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全部Numerical Methods326Quant Developer298Array226Statistics205Risk173Risk Quant152Microstructure129Time series113Pricing99Sorting96Sell Side Quant89Buy Side Quant Researcher77Backtesting73Execution70Factor69Dynamic Programming67
提交状态：未尝试未正确已正确
未尝试
coding-binary-tree-backward-induction可练习
通用二叉树上的逆向归纳

Backward Induction on a Generic Binary Tree

GraphTreePricingStatisticsQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-binary-tree-invert-mirror可练习
翻转二叉树（镜像）

Invert Binary Tree (Mirror)

GraphTreePricingStatisticsQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-binary-tree-max-depth-recursive可练习
二叉树的最大深度（递归）

Maximum Depth of a Binary Tree (Recursive)

GraphTreePricingStatisticsQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-binary-tree-symmetric-check可练习
对称二叉树判定

Symmetric Binary Tree Check

GraphTreePricingStatisticsQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-decision-tree-evaluator可练习
Recursive Binary Decision-Tree Evaluator

Recursive Binary Decision-Tree Evaluator

GraphTreePricingStatisticsQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-online-autocorrelation-lag1可练习
时间序列的 lag-1 样本自相关系数

Lag-1 Sample Autocorrelation of a Time Series

Numerical MethodsStatisticsTime seriesQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-online-mean-mad可练习
滚动均值与平均绝对偏差

Running Mean and Mean Absolute Deviation

Numerical MethodsStatisticsTime seriesQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-portfolio-tree-aggregate-pnl可练习
沿组合层级树向上聚合 P&L

Aggregate P&L Up a Portfolio Hierarchy Tree

GraphTreePricingStatisticsQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-recursive-rebate-tier-walk可练习
Recursive Walk Down a Hierarchical Rebate-Tier Tree

Recursive Walk Down a Hierarchical Rebate-Tier Tree

GraphTreePricingStatisticsQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-running-min-max-deque可练习
数据流的累积最小最大值

Running Min and Max of a Stream

Numerical MethodsSimulationStatisticsTime seriesQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-tree-search-bst-target可练习
在二叉搜索树中查找目标值

Search a Binary Search Tree for a Target

GraphTreePricingStatisticsQuant Developer
简单免费版Python / C++ / Rust
未尝试
coding-validate-bst-recursive可练习
校验二叉搜索树（递归区间）

Validate Binary Search Tree (Recursive Bounds)

GraphTreePricingStatisticsQuant Developer
简单免费版Python / C++ / Rust
难度分布：简单 12中等 0困难 0清除全部筛选