You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
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其他好文 时间：
2016-09-15 16:33:51
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134
一、String Format for Double Digits after decimal point This example formats double to string with fixed number of decimal places. For two decimal place ...
A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determine t ...
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2016-09-11 22:57:30
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164
Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most significant digit is a ...
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2016-09-11 22:54:12
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题目： Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. For example: Given num = 38, the process is l ...
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2016-09-11 09:00:20
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Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. For example: Given num = 38, the process is like: ...
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2016-09-11 06:48:43
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146
Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 Solution1: 这道题做的太麻烦了，corner case很多，碰到负数不知道怎么给reverse。强行转成st ...
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2016-09-11 06:47:57
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Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most significant digit is a ...
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其他好文 时间：
2016-09-10 09:00:14
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171
题目 Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 简单题，需要考虑两个问题，1）如果输入的末尾是0怎么办？2）如果倒过来的数字溢出了怎么办？ ...
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2016-09-10 08:54:59
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122
题目： 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 ...
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其他好文 时间：
2016-09-09 16:53:45
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106
