21h ago

Databricks engineer says AI renders LeetCode interviews obsolete

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Yuchen Jin, research engineer at Databricks, posted that AI models have rendered LeetCode-style interviews obsolete. For ten years companies screened engineers with algorithmic puzzles solved from memory, yet current models complete these tasks instantly and correctly. Research engineer kache replied that programmers must still invert a binary tree without assistance or they should not hold a computer science degree regardless of AI capabilities.

Original post

I’m so glad AI killed LeetCode interviews. For 10 years, tech companies made every engineer grind the same puzzles and prove they could invert a binary tree from memory. Today, the dumbest AI model can walk in and one-shot the entire interview. Thank you, AI.

10:14 AM · May 13, 2026 View on X

hot take: if you are a programmer you should be able to invert a binary tree from memory, AI or not. It's ridiculously easy and if you can't do it, you should not have a computer science degree

Yuchen Jin@Yuchenj_UW

I’m so glad AI killed LeetCode interviews. For 10 years, tech companies made every engineer grind the same puzzles and prove they could invert a binary tree from memory. Today, the dumbest AI model can walk in and one-shot the entire interview. Thank you, AI.

5:14 PM · May 13, 2026 · 547.3K Views
6:03 PM · May 13, 2026 · 361.2K Views

@Yuchenj_UW fwiw i can still invert a binary tree from memory. just fyi.

Yuchen Jin@Yuchenj_UW

I’m so glad AI killed LeetCode interviews. For 10 years, tech companies made every engineer grind the same puzzles and prove they could invert a binary tree from memory. Today, the dumbest AI model can walk in and one-shot the entire interview. Thank you, AI.

5:14 PM · May 13, 2026 · 547.3K Views
5:55 PM · May 13, 2026 · 19.8K Views

I’m so glad AI killed LeetCode interviews.

For 10 years, tech companies made every engineer grind the same puzzles and prove they could invert a binary tree from memory.

Today, the dumbest AI model can walk in and one-shot the entire interview.

Thank you, AI.

5:14 PM · May 13, 2026 · 547.3K Views

🙏🙏🙏

Yuchen Jin@Yuchenj_UW

I’m so glad AI killed LeetCode interviews. For 10 years, tech companies made every engineer grind the same puzzles and prove they could invert a binary tree from memory. Today, the dumbest AI model can walk in and one-shot the entire interview. Thank you, AI.

5:14 PM · May 13, 2026 · 547.3K Views
6:43 PM · May 13, 2026 · 3.3K Views

@yacineMTB correct take

kache@yacineMTB

hot take: if you are a programmer you should be able to invert a binary tree from memory, AI or not. It's ridiculously easy and if you can't do it, you should not have a computer science degree

6:03 PM · May 13, 2026 · 361.2K Views
6:30 PM · May 13, 2026 · 424 Views
Databricks engineer says AI renders LeetCode interviews obsolete · KRO · Digg