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 digit. Add the two numbers and return it as a link...
分类：
其他好文 时间：
2014-06-08 15:30:28
阅读次数：
227
Problem Description
Given a list of phone numbers, determine if it is consistent in the sense that no number is the prefix of another. Let’s say the phone catalogue listed these numbers:
1. Emergenc...
分类：
其他好文 时间：
2014-06-08 10:31:22
阅读次数：
234
题目链接 Given a m x n grid filled with non-negative
numbers, find a path from top left to bottom right which minimizes the sum of
all numbers along its p...
分类：
其他好文 时间：
2014-06-07 21:59:08
阅读次数：
344
Given amxngrid filled with non-negative
numbers, find a path from top left to bottom right whichminimizesthe sum of all
numbers along its path.Note:Yo...
分类：
其他好文 时间：
2014-06-07 20:22:17
阅读次数：
264
By starting at the top of the triangle below and moving to adjacent numbers on the row below, the maximum total from top to bottom is 23.
3
7 4
2 4 6
8 5 9 3
That is, 3 + 7 + 4 + 9 = 23.
Find th...
分类：
其他好文 时间：
2014-06-07 13:45:25
阅读次数：
189
Let d(n) be defined as the sum of proper divisors of n (numbers less than
n which divide evenly into n).
If d(a) = b and d(b) = a, where a
b, then a and b are an amicable pair and each of a and
b...
分类：
其他好文 时间：
2014-06-07 13:40:53
阅读次数：
226
题目链接Implement next permutation, which rearranges
numbers into the lexicographically next greater permutation of numbers.If such
arrangement is not pos...
分类：
其他好文 时间：
2014-06-07 11:10:30
阅读次数：
212
var firstForLoop = 0for i in 0...3 { firstForLoop
+= i i}firstForLoop1 两个点代表是左闭右开 即0，1，22 三个点代表全集合 即0，1，2，3func sumOf(numbers:
Int...) -> Int { ...
分类：
其他好文 时间：
2014-06-06 13:57:57
阅读次数：
196
Given a sorted linked list, delete all nodes
that have duplicate numbers, leaving onlydistinctnumbers from the original
list.For example,Given1->2->3-...
分类：
其他好文 时间：
2014-06-06 06:57:18
阅读次数：
271
Given an array of integers, find two numbers
such that they add up to a specific target number.The function twoSum should
return indices of the two nu...
分类：
其他好文 时间：
2014-06-05 14:15:07
阅读次数：
221
