I am brushing up a bit of good old algorithms, and doing it with python, since I use it more often nowadays.
Easy:
- 371. Sum of Two Integers
- 206. Reverse Linked List
- 438. Find All Anagrams in a String
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- Same Tree
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- Symmetric Tree
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- Invert Binary Tree
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- Palindrome Number
- 125-valid-palindrome
- 409-longest-palindrome
Medium:
- [322. Coin Change]