公司面试准备
Citadel 面试题、OA 真题与面经
Citadel 面试准备：22 道 OA 真题、20 道面试题、14 篇面经，以及面经里出现最多的 LeetCode 题。在 CSWork 在线写代码、提交评测，或来一场限时模拟。
面试流程统计
基于 14 篇面经
- 面经
- 14
- 最近 6 个月
- 8
- 面试题
- 20
轮次
提到该轮的面经占比
自述结果
14 篇里有 1 篇写了结果；只代表发帖人自述，不是通过率。
- 未通过 100%（1 篇）
题目类别
20 道面试题的分布
题型趋势
每季度的面经篇数和各类面试题数（面经按面试日期，题目按收录日期）
| Q3 ’25 | Q4 ’25 | Q1 ’26 | Q2 ’26 | Q3 ’26 | Q4 ’26 | |
|---|---|---|---|---|---|---|
| 面经 | 2 | 1 | 2 | 2 | 7 | 0 |
| 编程与算法 | 4 | 3 | 0 | 1 | 1 | 1 |
| 行为与领导力 | 5 | 1 | 1 | 0 | 0 | 0 |
| 数据处理（SQL/Python） | 2 | 1 | 0 | 0 | 0 | 0 |
岗位
- Software Engineer 12
- Data Scientist 2
OA 真题 22 题
查看全部- #1Distinct Goodness Values估计中等
- #2Friend Recommendation估计中等
- #3Palindromic Binary Subsequences (Length 5)估计中等
- #4Count Distinct Palindromic Substrings估计中等
- #5Largest Path Sum in Rooted Tree (Downward Only)估计中等
- #6Calculate Score估计中等
- #7Minimum Operations to Empty Job Pool估计中等
- #8Find Valid Sizes (MEX after Increments)仅题面
高频 LeetCode 题 按面经报告次数 · 数据更新至 2026-10-14
查看全部这段时间没有面经报告。
最新面经 14 篇
查看全部- Citadel Intern Software Engineer Interview Experience — Merging K Timestamped Price Feeds into a Running Price in Technical Round 3
轮次：技术面面试于 2026-09
Software Engineer
- Citadel Software Engineer Interview Experience — A Maddeningly Vague Data Sampling Question
轮次：技术面面试于 2026-08
Software Engineer
- Citadel Intern Software Engineer Interview Experience — A Deep Dive on the Classic Orderbook Problem
轮次：技术面面试于 2026-09
Software Engineer
- Citadel Software Engineer Interview Experience — 2027 OA, Two Problems in 75 Minutes
轮次：OA面试于 2026-03
Software Engineer
- Citadel Intern Software Engineer Interview Experience — File Deduplication, Size Checks, and Reference Counts
轮次：技术面面试于 2026-09
Software Engineer
- Citadel Software Engineer Interview Experience — Optimizing a Correct C++ Function to Run Under 100 Microseconds
轮次：OA面试于 2026-08
Software Engineer
面试题 20 道
查看全部- 编程Every MEX Reachable With At Most One Bounded Increment困难
- 编程Merge K Timestamp-Sorted Price Feeds into a Running Absolute Price中等
- 面试Implement Piecewise Linear Interpolation and Extrapolation中等
- 面试How do you handle conflict at work?中等
- 编程Compute max team size with a core interval中等
- 面试Discuss PhD coursework and research impact中等
H-1B 担保记录 USCIS 公开数据
各公司对比| 财年 | 新雇佣批准 | 新雇佣拒签 | 新雇佣批准率 | 续签批准 | 续签拒签 |
|---|---|---|---|---|---|
| FY2025 | 169 | 4 | 97.7% | 108 | 2 |
| FY2024 | 142 | 1 | 99.3% | 113 | 0 |
| FY2023 | 97 | 1 | 99.0% | 142 | 3 |
| FY2022 | 139 | 1 | 99.3% | 83 | 3 |
| FY2021 | 170 | 0 | 100.0% | 79 | 2 |
这是按雇主税号统计的申请数，不是人数，也不代表某个岗位一定提供担保。新雇佣含首次申请、新的兼职雇佣和换雇主，续签含延期、同雇主变更和修改。 数据来源：USCIS H-1B Employer Data Hub (FY2021–FY2025)，更新于 2026-10-17。
计入的雇主名称（8）
- CITADEL AMERICAS SERVICES LLC
- CITADEL SECURITIES AMERICAS SERVICES LLC
- CITADEL ENTERPRISE AMERICAS SERVICES LLC
- CITADEL AMERICAS LLC
- CITADEL SECURITIES AMERICAS SERVIC
- CITADEL SECURITIES AMERICAS LLC
- CITADEL ENTERPRISE AMERICAS LLC
- CITADEL SECURITIES AMERICAS SVCS