The gray code is a binary numeral system where two successive values differ in only one bit.Given a non-negative integernrepresenting the total number...
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其他好文 时间:
2014-06-25 22:07:58
阅读次数:
330
对于函数式语言来说,函数也想普通的数据类型一样无处不在。函数即可以当成参数进行传递,也可以当成函数的返回值。当我第一次学习函数式编程的时候,我被这样的写法弄的头昏脑涨。下面我举例说明下(例子摘录自Learn You Some Erlang): 假如你想对一个列表中的所有值都进行加1或减1的操作...
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其他好文 时间:
2014-06-25 21:50:31
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244
I can feel that I am making great progress now.. if inspected closely, it is obvious that what I'm getting through is, a newbie phase:coding details m...
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其他好文 时间:
2014-06-25 18:23:24
阅读次数:
206
【问题】
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /.
Each operand may be an integer or another expression.
Some examples:
...
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编程语言 时间:
2014-06-24 23:22:53
阅读次数:
331
在官方文档中,看到这句。但不明白什么意思。let vegetable = "red pepper"switch vegetable { case "celery": let vegetableComment = "Add some raisins and make...
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其他好文 时间:
2014-06-24 22:52:30
阅读次数:
400
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...
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其他好文 时间:
2014-06-24 21:46:24
阅读次数:
249
题目
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
Have you thought about this?
Here are some good questions to ask before coding. Bonus poin...
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其他好文 时间:
2014-06-24 20:16:39
阅读次数:
180
题目
Given n non-negative integers a1, a2,
..., an, where each represents a point at coordinate (i, ai). n vertical
lines are drawn such that the two endpoints of line i is at (i, ai) and (...
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其他好文 时间:
2014-06-24 16:00:49
阅读次数:
220
Given a list, rotate the list to the right bykplaces, wherekis non-negative.For example:Given1->2->3->4->5->NULLandk=2,return4->5->1->2->3->NULL.先算出链表...
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其他好文 时间:
2014-06-24 14:03:10
阅读次数:
192
Given a list, rotate the list to the right by k places, where k is non-negative.For example:Given 1->2->3->4->5->NULL and k = 2,return 4->5->1->2->3->...
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其他好文 时间:
2014-06-24 12:00:32
阅读次数:
142