scottwang - 博客园

2016年2月6日

摘要：题目描述： You are playing the following Bulls and Cows game with your friend: You write down a number and ask your friend to guess what the number is. Eac 阅读全文

posted @ 2016-02-06 13:47 scottwang 阅读(428) 评论(0) 推荐(0) 编辑

Java [Leetcode 205]Isomorphic Strings

摘要：题目描述： Given two strings s and t, determine if they are isomorphic. Two strings are isomorphic if the characters in s can be replaced to get t. All occ 阅读全文

posted @ 2016-02-06 10:28 scottwang 阅读(431) 评论(0) 推荐(0) 编辑

2016年2月5日

Java [Leetcode 58]Length of Last Word

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

posted @ 2016-02-05 21:57 scottwang 阅读(245) 评论(0) 推荐(0) 编辑

Java [Leetcode 223]Rectangle Area

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

posted @ 2016-02-05 21:04 scottwang 阅读(346) 评论(0) 推荐(0) 编辑

Java [Leetcode 219]Contains Duplicate II

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

posted @ 2016-02-05 20:25 scottwang 阅读(184) 评论(0) 推荐(0) 编辑

Java [Leetcode 190]Reverse Bits

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

posted @ 2016-02-05 19:16 scottwang 阅读(344) 评论(0) 推荐(0) 编辑

Java [Leetcode 88]CMerge Sorted Array

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

posted @ 2016-02-05 12:42 scottwang 阅读(197) 评论(0) 推荐(0) 编辑

Java [Leetcode 160]Intersection of Two Linked Lists

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

posted @ 2016-02-05 10:49 scottwang 阅读(275) 评论(0) 推荐(0) 编辑

2016年2月4日

Java [Leetcode 111]Minimum Depth of Binary Tree

摘要：题目描述： Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the nea 阅读全文

posted @ 2016-02-04 12:50 scottwang 阅读(176) 评论(0) 推荐(0) 编辑

2016年1月27日

Java [Leetcode 225]Implement Stack using Queues

摘要：题目描述： Implement the following operations of a stack using queues. push(x) -- Push element x onto stack. pop() -- Removes the element on top of the sta 阅读全文

posted @ 2016-01-27 22:39 scottwang 阅读(191) 评论(0) 推荐(0) 编辑

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