> For the complete documentation index, see [llms.txt](https://liuzhenglaichn.gitbook.io/algorithm/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://liuzhenglaichn.gitbook.io/algorithm/company/facebook.md).

# Facebook

* [139. Word Break (Medium)](https://leetcode.com/problems/word-break/)
* [140. Word Break II (Hard)](https://leetcode.com/problems/word-break-ii/)

Phone Interview E5 London (45min)

* [953. Verifying an Alien Dictionary (Easy)](https://leetcode.com/problems/verifying-an-alien-dictionary/)
* [236. Lowest Common Ancestor of a Binary Tree (Medium)](https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree/)
* <https://leetcode.com/problems/design-tic-tac-toe/>

[Facebook | E5 | MLE | Menlo Park](https://leetcode.com/discuss/interview-question/1158980/Facebook-or-E5-or-MLE-or-Menlo-Park)

* [1653. Minimum Deletions to Make String Balanced (Medium)](https://leetcode.com/problems/minimum-deletions-to-make-string-balanced/)

<https://www.facebookrecruiting.com/portal/interview_prep_hub>

* [76. Minimum Window Substring (Hard)](https://leetcode.com/problems/minimum-window-substring/)
* [1505. Minimum Possible Integer After at Most K Adjacent Swaps On Digits (Hard)](https://leetcode.com/problems/minimum-possible-integer-after-at-most-k-adjacent-swaps-on-digits/)
* [20. Valid Parentheses (Easy)](https://leetcode.com/problems/valid-parentheses/)
* [322. Coin Change (Medium)](https://leetcode.com/problems/coin-change/)

[New Year Gift - Curated List of Top 75 LeetCode Questions to Save Your Time](https://www.teamblind.com/post/New-Year-Gift---Curated-List-of-Top-75-LeetCode-Questions-to-Save-Your-Time-OaM1orEU)