蜃利的阴影下

摘要： A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below). The robot can only move either down or right at any p 阅读全文

摘要： 224. Basic Calculator Implement a basic calculator to evaluate a simple expression string. The expression string may contain open ( and closing parent 阅读全文

摘要： Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another e 阅读全文

摘要： Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30, 34, 5, 9], the largest formed n 阅读全文

摘要： Given a list of non negative integers, arrange them such that they form the largest number. Given a list of non negative integers, arrange them such t 阅读全文

摘要： 141. Linked List Cycle Given a linked list, determine if it has a cycle in it. 142. Linked List Cycle II 142. Linked List Cycle II Given a linked list 阅读全文

摘要： Sort a linked list in O(n log n) time using constant space complexity. Hide Tags Linked List Sort Hide Similar Problems (E) Merge Two Sorted Lists (M) 阅读全文

摘要： 198. House Robber You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only cons 阅读全文

摘要： Given a linked list, swap every two adjacent nodes and return its head. For example,Given 1->2->3->4, you should return the list as 2->1->4->3. Your a 阅读全文

摘要： Type will be erased by compiler. So you cannot check against the parametized check as below. Code: Compiler warning message: Output: How to get the pa 阅读全文