life is too short for a diary



Posts Tagged: leetcode (Page 2)

Time Based Key-Value Store Solution
Design a time-based key-value data structure that can store multiple values for the same key at different time stamps and retrieve the key's value at a certain timestamp...

Continue reading → java leetcode


Find if Path Exists in Graph leetcode solution
It's a easy problem on Graph in leetcode to find if a path exist in graph...

Continue reading → leetcode java


Serialize and Deserialize Binary Tree Leetcode solution
Design an algorithm to serialize and deserialize a binary tree. There is no restriction on how your serialization/deserialization algorithm should work. You just need to ensure that a binary tree can be serialized to a string and this string can be deserialized to the original tree structure...

Continue reading → leetcode java python design