# amz oa

- [Find All Anagrams in a String](/ladder_code/amz-oa/find-all-anagrams-in-a-string.md)
- [Cut Off Trees for Golf Event](/ladder_code/amz-oa/cut-off-trees-for-golf-event.md)
- [Most Common Word](/ladder_code/amz-oa/most-common-word.md)
- [Max Pair双指针](/ladder_code/amz-oa/max-pair.md)
- [Aerial Movie(双指针，2sum）](/ladder_code/amz-oa/aerial-movie.md)
- [Least Substring](/ladder_code/amz-oa/least-substring.md)
- [Number of restaurants双指针](/ladder_code/amz-oa/number-of-restaurants.md)
- [K-Substring with K different characters(sliding window)](/ladder_code/amz-oa/k-substring-with-k-different-characterssliding-window.md)
- [BST Node Distance（递归和树）](/ladder_code/amz-oa/bst-node-distanceff08-di-gui-he-shu-ff09.md)
- [K Closest Points(sort)](/ladder_code/amz-oa/k-closest-pointssort.md)
- [Tree problem(Tree & Graph)](/ladder_code/amz-oa/tree-problemtree-and-graph.md)
- [Reorder Log Files](/ladder_code/amz-oa/reorder-log-files.md)
