Same Tree
Given two binary trees, write a function to check if they are equal or not.
Two binary trees are considered equal if they are structurally identical and
the n...
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其他好文 时间:
2014-06-19 12:49:17
阅读次数:
301
Given a binary tree, determine if it is height-balanced.
For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every node never diffe...
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其他好文 时间:
2014-06-19 11:23:05
阅读次数:
204
参看别人的思路,类似MergeSort的思路,思路是先分成两个子任务,然后递归求子任务,最后回溯回来。这个题目也是这样,先把k个list分成两半,然后继续划分,直到剩下两个list就合并起来,合并时会用到Merge
Two Sorted Lists这道题。 1 /** 2 * Definition....
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其他好文 时间:
2014-06-16 08:26:57
阅读次数:
150
原题地址:https://oj.leetcode.com/problems/gray-code/题意:The
gray code is a binary numeral system where two successive values differ in only
one bit.Given a...
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编程语言 时间:
2014-06-16 07:42:27
阅读次数:
242
题目
The count-and-say sequence is the sequence of integers beginning as follows:
1, 11, 21, 1211, 111221, ...
1 is read off as "one
1" or 11.
11 is read off as "two
1s" or 21.
21 i...
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其他好文 时间:
2014-06-15 18:51:33
阅读次数:
220
http://acm.hdu.edu.cn/game/entry/problem/list.php?chapterid=1§ionid=21.2.5
#include
/*
题意:找闰年。
if((i%4==0 && i%100!=0) || i%400==0)count++;
3
2005 25
1855 12
2004 10000
2108
1904
43236
*/
int ma...
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其他好文 时间:
2014-06-14 06:32:08
阅读次数:
320
题目
Given two numbers represented as strings, return multiplication of the numbers as a string.
Note: The numbers can be arbitrarily large and are non-negative.
方法
将num1与0-9相乘的结果存...
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其他好文 时间:
2014-06-14 06:08:30
阅读次数:
229
Number Sequence
Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 10239 Accepted Submission(s): 4656
Problem Description
Given two se...
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其他好文 时间:
2014-06-14 00:22:38
阅读次数:
243
我们在DIV CSS布局时候,我们会遇到对对象内鼠标指针光标进行控制,比如鼠标经过指针变为手指形状等样式,接下来我们介绍鼠标指针样式cursor控制。系统默认鼠标指针样式外,可以通过CSS设置图片为鼠标指针,常见有些网站鼠标指针是各种各样小图片样式,当然这个是通过css cursor设置鼠标样式。
详见网站介绍:http://www.divcss5.com/rumen/r427.shtml...
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Web程序 时间:
2014-06-13 20:50:13
阅读次数:
293
Swap Nodes in Pairs:Given a linked list, swap every
two adjacent nodes and return its head.For example,Given1->2->3->4, you
should return the list as2...
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其他好文 时间:
2014-06-13 17:04:27
阅读次数:
180