08 2017 档案

Next Greater Element I
摘要：You are given two arrays (without duplicates) nums1 and nums2 where nums1’s elements are subset of nums2. Find all the next greater numbers for nums1' 阅读全文
posted @ 2017-08-31 09:12 白常福 阅读(137) 评论(0) 推荐(0)
Island Perimeter
摘要：You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/ve 阅读全文
posted @ 2017-08-31 07:56 白常福 阅读(149) 评论(0) 推荐(0)
Fizz Buzz
摘要：Write a program that outputs the string representation of numbers from 1 to n. But for multiples of three it should output “Fizz” instead of the numbe 阅读全文
posted @ 2017-08-31 07:31 白常福 阅读(421) 评论(0) 推荐(0)
Reshape the Matrix
摘要：In MATLAB, there is a very useful function called 'reshape', which can reshape a matrix into a new one with different size but keep its original data. 阅读全文
posted @ 2017-08-31 07:19 白常福 阅读(235) 评论(0) 推荐(0)
Distribute Candies
摘要：Given an integer array with even length, where different numbers in this array represent different kinds of candies. Each number means one candy of th 阅读全文
posted @ 2017-08-30 08:18 白常福 阅读(176) 评论(0) 推荐(0)
Reverse String
摘要：Write a function that takes a string as input and returns the string reversed. Example:Given s = "hello", return "olleh" 思路：直接转StringBuffer后reserve即可； 阅读全文
posted @ 2017-08-30 07:37 白常福 阅读(203) 评论(0) 推荐(0)
Reverse Words in a String III
摘要：Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. E 阅读全文
posted @ 2017-08-30 07:23 白常福 阅读(115) 评论(0) 推荐(0)
Keyboard Row
摘要：Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below. Examp 阅读全文
posted @ 2017-08-27 10:00 白常福 阅读(187) 评论(0) 推荐(0)
Number Complement
摘要：Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation. Note: Example 1: Exa 阅读全文
posted @ 2017-08-24 10:50 白常福 阅读(191) 评论(0) 推荐(0)
Array Partition I
摘要：Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of 阅读全文
posted @ 2017-08-24 07:47 白常福 阅读(259) 评论(0) 推荐(0)
Merge Two Binary Trees
摘要：Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are n 阅读全文
posted @ 2017-08-24 07:25 白常福 阅读(167) 评论(0) 推荐(0)
Hamming Distance
摘要：The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calcul 阅读全文
posted @ 2017-08-14 08:07 白常福 阅读(171) 评论(0) 推荐(0)
Judge Route Circle
摘要：Initially, there is a Robot at position (0, 0). Given a sequence of its moves, judge if this robot makes a circle, which means it moves back to the or 阅读全文
posted @ 2017-08-14 08:02 白常福 阅读(437) 评论(0) 推荐(0)