Explanation for Leetcode 1834 - Single-Threaded CPU, and its solution in Python.

Explanation for Leetcode 355 - Design Twitter, and its solution in Python.

Explanation for Leetcode 621 - Task Scheduler, and its solution in Python.

Explanation for Leetcode 215 - Kth Largest Element in an Array, and its solution in Python.

Explanation for Leetcode 973 - K Closest Points to Origin, and its solution in Python.

Explanation for Leetcode 297 - Serialize and Deserialize Binary Tree, and its solution in Python.

Explanation for Leetcode 124 - Binary Tree Maximum Path Sum, and its solution in Python.

Explanation for Leetcode 1325 - Delete Leaves With a Given Value, and its solution in Python.

Explanation for Leetcode 337 - House Robber III, and its solution in Python.

Explanation for Leetcode 105 - Construct Binary Tree from Preorder and Inorder Traversal, and its solution in Python.