Leetcode 929: Unique email addresses Level: Easy Link Unique Email Addresses - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com My Approach For each email addresses, split the local and domain address If '.' in the local address, remove it. If '+' in the local address, remove string..
Leetcode 257 Binary tree paths Level: Easy Link Binary Tree Paths - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com My approach Classic dfs problem with a tree data structure Check if a root has left or right leaf If either the left or right leaf exists: perform dfs recursively wit..
Leetcode 733: flood fill - bfs Level Easy Link Flood Fill - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com My Approach Classic bfs problem with replacing existing values into the new value Locate the starting number and search through up, down, left, right index. Check if the new ..
