摘要：
题目描述： Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the las 阅读全文
摘要：
题目描述： Find the total area covered by two rectilinear rectangles in a 2D plane. Each rectangle is defined by its bottom left corner and top right corne 阅读全文
摘要：
题目描述： Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] an 阅读全文
摘要：
题目描述： everse bits of a given 32 bits unsigned integer. For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), 阅读全文
摘要：
题目描述： Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note:You may assume that nums1 has enough space (si 阅读全文
摘要：
题目描述： Write a program to find the node at which the intersection of two singly linked lists begins. For example, the following two linked lists: A: a1 阅读全文