接着昨天的文章,再示范一个稍微复杂一点的尾递归tail recursion例子:计算第n个Fibonacci数。Fibonacci数第一、第二个数值分别是0,1,按顺序后面的数值是前面两个数的加合。例如:0,1,1,2,3,5... 1 def fib(n: Int): Int = { 2 ...
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其他好文 时间:
2015-03-09 14:22:11
阅读次数:
93
转自知乎王希的回答。原文链接:http://www.zhihu.com/question/28062458/answer/39763094
一句话先回答问题:因为斐波那契数列在数学和生活以及自然界中都非常有用。
下面我就尽我所能,讲述一下斐波那契数列。
一、起源和定义
斐波那契数列最早被提出是印度数学家Gopala,他在研究箱子包装物件长度恰好为1和2时的方法数时首先描述了这个...
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其他好文 时间:
2015-03-07 14:16:05
阅读次数:
316
以下答案纯属个人愚见,作为IT新手,算法代码中难免有逻辑漏洞和其他不足之处,欢迎朋友你点评拍砖,交流争辩能极大开阔思维,愿一起加油进步!^_^1.1.19 在计算机上运行以下程序: 1 public class Fibonacci { 2 3 public static long F(in...
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编程语言 时间:
2015-03-07 11:29:50
阅读次数:
860
So... How to find the problem in similar situations?Download Process Explorerhere.Start your application and reproduce runtime error R6034.Start Proce...
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移动开发 时间:
2015-03-06 14:13:27
阅读次数:
127
Fibonacci
Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u
Submit Status Practice POJ
3070
Appoint description:
System Crawler (2015-02-28)
Description
...
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其他好文 时间:
2015-03-04 22:50:39
阅读次数:
261
Problem Description
Recall the definition of the Fibonacci numbers:
f1 := 1
f2 := 2
fn := fn-1 + fn-2 (n >= 3)
Given two numbers a and b, calculate how many Fibonacci numbers are in the ...
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其他好文 时间:
2015-03-04 16:56:45
阅读次数:
126
摘自cplusplus.com上关于union的解释:Unions allow one portion of memory to be accessed as different data types. Its declaration and use is similar to the one of...
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编程语言 时间:
2015-03-04 01:01:36
阅读次数:
250
People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is represented by a 6-digit number, where the first 2 digits are for Red, the middle 2 dig...
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其他好文 时间:
2015-03-03 18:41:14
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133
People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is represented by a 6-digit number, where the first 2 digits are for Red, the middle 2 dig...
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其他好文 时间:
2015-03-03 09:59:09
阅读次数:
150
Vasya became interested in bioinformatics. He's going to write an article about similar cyclic DNA sequences, so he invented a new method for determining the similarity of cyclic sequences.
Let's assume that...
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其他好文 时间:
2015-03-02 21:02:32
阅读次数:
313