06 2016 档案

Number of Digit One
摘要：Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n. For example:Given n = 13,Return 阅读全文
posted @ 2016-06-26 17:04 YuriFLAG 阅读(122) 评论(0) 推荐(0)
Sum Root to Leaf Numbers
摘要：Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 whic 阅读全文
posted @ 2016-06-26 10:21 YuriFLAG 阅读(122) 评论(0) 推荐(0)
Intersection of Two Arrays II
摘要：Given two arrays, write a function to compute their intersection. Example:Given nums1 = [1, 2, 2, 1], nums2 = [2, 2], return [2, 2]. Note: Each elemen 阅读全文
posted @ 2016-06-14 08:33 YuriFLAG 阅读(122) 评论(0) 推荐(0)
Multiply Strings
摘要：Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers can be arbitrarily large and are non-neg 阅读全文
posted @ 2016-06-07 09:23 YuriFLAG 阅读(124) 评论(0) 推荐(0)
String Permutation
摘要：Given a string, find all permutations of it without duplicates. Example Given "abb", return ["abb", "bab", "bba"]. Given "aabb", return ["aabb", "abab 阅读全文
posted @ 2016-06-05 09:19 YuriFLAG 阅读(190) 评论(0) 推荐(0)
Anagrams
摘要：Given an array of strings, return all groups of strings that are anagrams. All inputs will be in lower-case Example Given ["lint", "intl", "inlt", "co 阅读全文
posted @ 2016-06-03 14:39 YuriFLAG 阅读(129) 评论(0) 推荐(0)
Add Binary
摘要：Given two binary strings, return their sum (also a binary string). Example a = 11 b = 1 Return 100 1 public class Solution { 2 /** 3 * @param a a numb 阅读全文
posted @ 2016-06-03 08:51 YuriFLAG 阅读(92) 评论(0) 推荐(0)
Sort Letters by Case
摘要：Given a string which contains only letters. Sort it by lower case first and upper case second. Example For "abAcD", a reasonable answer is "acbAD" 与将负 阅读全文
posted @ 2016-06-03 08:20 YuriFLAG 阅读(134) 评论(0) 推荐(0)
Reverse Words in a String
摘要：Given an input string, reverse the string word by word. For example,Given s = "the sky is blue",return "blue is sky the". Given an input string, rever 阅读全文
posted @ 2016-06-02 22:07 YuriFLAG 阅读(121) 评论(0) 推荐(0)