Happy Reversal
Elfness is studying in an operation "NOT".
For a binary number A, if we do operation "NOT A", after that, all digits of A will be reversed. (e.g. A=1001101, after operation "NOT A...
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移动开发 时间：
2014-08-16 21:10:31
阅读次数：
321
Changing Digits
Time Limit: 3000MS
Memory Limit: 65536K
Total Submissions: 2960
Accepted: 952
Description
Given two positive integers n and k, you are asked to genera...
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其他好文 时间：
2014-08-16 15:12:30
阅读次数：
198
Sum Root to Leaf NumbersGiven a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-l...
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其他好文 时间：
2014-08-16 00:59:09
阅读次数：
197
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 which...
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其他好文 时间：
2014-08-13 18:17:26
阅读次数：
208
Problem Description
Now an emergent task for you is to open a password lock. The password is consisted of four digits. Each digit is numbered from 1 to 9.
Each time, you can add or minus 1 to any ...
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其他好文 时间：
2014-08-13 14:57:36
阅读次数：
226
Consider integer numbers from 1 to n. Let us call the sum of digits of an integer number its weight. Denote the weight of the number x as w(x).
Now let us order the numbers using so called graduated ...
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其他好文 时间：
2014-08-10 18:47:20
阅读次数：
406
题目：
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 linked list.
Input: (2 -> 4 -> 3) + (5 -> 6 -> 4)
Outpu...
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其他好文 时间：
2014-08-10 13:08:30
阅读次数：
296
题目
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
click to show spoilers.
Have you thought about this?
Here are some good questions to ask...
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其他好文 时间：
2014-08-09 00:13:36
阅读次数：
309
Problem 2105 Digits CountProblem DescriptionGiven N integers A={A[0],A[1],...,A[N-1]}. Here we have some operations:Operation 1:AND opn L RHere opn, L...
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其他好文 时间：
2014-08-07 21:53:40
阅读次数：
257
题目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 singl...
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其他好文 时间：
2014-08-07 12:51:00
阅读次数：
188
