摘要：
582. Kill Process 582. Kill Process Given n processes, each process has a unique PID (process id) and its PPID (parent process id). Each process only 阅读全文
摘要：
554. Brick Wall 554. Brick Wall There is a brick wall in front of you. The wall is rectangular and has several rows of bricks. The bricks have the sam 阅读全文
摘要：
367. Valid Perfect Square 367. Valid Perfect Square Given a positive integer num, write a function which returns True if num is a perfect square else 阅读全文
摘要：
537. Complex Number Multiplication 537. Complex Number Multiplication Given two strings representing two complex numbers. You need to return a string 阅读全文
摘要：
557. Reverse Words in a String III 557. Reverse Words in a String III Given a string, you need to reverse the order of characters in each word within 阅读全文
摘要：
368. Largest Divisible Subset 368. Largest Divisible Subset Given a set of distinct positive integers, find the largest subset such that every pair (S 阅读全文
摘要：
542. 01 Matrix 542. 01 Matrix Given a matrix consists of 0 and 1, find the distance of the nearest 0 for each cell. The distance between two adjacent 阅读全文
摘要：
538. Convert BST to Greater Tree 538. Convert BST to Greater Tree Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key o 阅读全文
摘要：
543. Diameter of Binary Tree 543. Diameter of Binary Tree Given a binary tree, you need to compute the length of the diameter of the tree. The diamete 阅读全文
摘要：
503. Next Greater Element II 503. Next Greater Element II Given a circular array (the next element of the last element is the first element of the arr 阅读全文