C3 AI 面试题、OA 真题与面经

1. 01LC 395 Longest Substring with At Least K Repeating Characters×1 · 2026-081 次面经报告，最近 2026-08中等
   来源 1 篇面经

   • Longest Substring Where Every Character Appears at Least K Times2026-08
2. 02LC 394 Decode String×1 · 2025-071 次面经报告，最近 2025-07中等
   来源 1 篇面经

   • Decompress an encoded string2025-07

• C3 AI New Grad FDE Interview Experience — Three Multiple-Choice Questions and Two Coding Problems

  OA轮次：OA面试于 2026-01

  Software Engineer

• C3 AI Intern Data Scientist Interview Experience — ML Multiple Choice and Production Request Scheduling

  OA轮次：OA面试于 2026-09

  Data Scientist

• C3 AI Data Scientist Interview Experience — The Coding Round Did Not Match Earlier Reports

  未通过OA → HR 面 → Onsite轮次：OA、HR 面、Onsite面试于 2026-08

  Data Scientist

• C3 AI Data Scientist Interview Experience — The Coding Interviewer Never Appeared

  未通过OA → 技术面轮次：OA、技术面面试于 2026-08

  Data Scientist

• C3 AI Data Scientist Interview Experience — Broad Topics, Fast Answers, and a Rejection

  未通过技术面轮次：技术面面试于 2026-08

  Data Scientist

• C3 AI Software Engineer Interview Experience — One Interviewer No-Show, One Walked Out Mid-Interview

  未通过其他 → Onsite轮次：其他、Onsite面试于 2025-11

  Software Engineer

1. 编程Longest Substring Where Every Character Appears at Least K Times中等
2. 面试Describe challenge, influence, and mentorship outcomes中等
3. 编程Find longest substring with at least k repeats困难
4. 编程Decompress an encoded string中等

• 本季实习岗位（2027 年入职）10 月 16 日首次出现（首次同步时已在招，实际开放可能更早） · 现在 4 个在招
• 本季新毕业生岗位（2027 年入职）10 月 16 日首次出现（首次同步时已在招，实际开放可能更早） · 现在 3 个在招
• 各公司什么时候开放：招聘日历

• Forward Deployed Engineer - Federal, New Grad 2027

  新毕业生软件开发2027Tysons, Virginia, United States写明不担保需公民/绿卡需安全许可发布于 2026-10-19

  加入投递追踪：Forward Deployed Engineer - Federal, New Grad 2027隐藏：Forward Deployed Engineer - Federal, New Grad 2027
• Software Engineer - Intern (Summer 2027)

  实习软件开发2027 夏季Guadalajara, Jalisco, Mexico发布于 2026-10-01

  加入投递追踪：Software Engineer - Intern (Summer 2027)隐藏：Software Engineer - Intern (Summer 2027)
• QA Engineer - Intern (Summer 2027)

  实习软件开发2027 夏季Guadalajara, Jalisco, Mexico发布于 2026-10-01

  加入投递追踪：QA Engineer - Intern (Summer 2027)隐藏：QA Engineer - Intern (Summer 2027)
• Platform Full-Stack Engineer, New Grad 2027

  新毕业生基础设施2027Redwood City, California, United States发布于 2026-09-14

  加入投递追踪：Platform Full-Stack Engineer, New Grad 2027隐藏：Platform Full-Stack Engineer, New Grad 2027
• Forward Deployed Engineer, New Grad 2027

  新毕业生软件开发2027Redwood City, California, United States发布于 2026-09-14

  加入投递追踪：Forward Deployed Engineer, New Grad 2027隐藏：Forward Deployed Engineer, New Grad 2027
• Software Engineer - Intern (Summer 2027)

  实习软件开发2027 夏季Redwood City, California, United States发布于 2026-08-31

  加入投递追踪：Software Engineer - Intern (Summer 2027)隐藏：Software Engineer - Intern (Summer 2027)
• Data Science - Intern (Summer 2027)

  实习数据2027 夏季Redwood City, California, United States发布于 2026-08-31

  加入投递追踪：Data Science - Intern (Summer 2027)隐藏：Data Science - Intern (Summer 2027)

来自公司在 Greenhouse、Lever、Ashby 上的公开招聘页，每天同步一次，只列标题里写明实习、新毕业生或入门级的岗位。薪资只来自 Lever 和 Ashby 招聘页上公司自己公开的范围，Greenhouse 的列表没有薪资；方向和学期按标题判断。身份要求（不担保签证、需公民或绿卡、需安全许可）由规则从岗位描述里识别，可能漏判，以原帖为准；公司担保过 H-1B 不代表这个岗位担保。投递前请以公司页面上的岗位要求为准。