fibonacci algorithm python

Python implements Binary Search Algorithm Instances and python Algorithms This example describes how to implement the Binary Search Algorithm in Python. Share it with you for your reference. The specific implementation method is as follows: #! /Usr/bin/env pythonimport sys

- 1 If Data [ 2 * S - 1 ] > Data [ Temp ]: Temp = 2 * S - 1 If 2 * S M - 1 And Data [ 2 * S ] > Data [ Temp ]: Temp = 2 * S If Temp S - 1 : Data [ S - 1 ], Data [ Temp ] = Data [ Temp ], Data [ S - 1 ] Heap_adjust ( Data , Temp + 1 , M ) Def Heap_sor

Python programming binary method for bubble Algorithm + quick sorting code example, python binary method The example in this article is mainly the Python programming binary method for implementing the bubble Algorithm + quick sorting. The details are as follows. Bubble

Python algorithm walkthrough-One Rule algorithm, pythonrule In this way, a feature has only 0 and 1 values, and the dataset has three categories. If Category A has 20 such individuals, Category B has 60 such individuals, and category C has 20 such individuals. Therefore, when this feature is set to 0, Class B is the most likely. However, there are still 40 indivi

python image feature detection algorithm (1): Python implementation sift and Harris In this paper, we will introduce two local descriptor algorithms for image matching. sift[paper Links] and Harris, they are in many applications have a relatively important role, such as target matching, target tracking, creating panorama, augmented reality technology and the cal

Main: Pre-sequence traversal, middle sequence traversal, post-order traversal, hierarchical traversal, non-recursive pre-sequence traversal, non-recursive sequence traversal, non-recursive post-order traversal Copy the Code code as follows: #!/usr/bin/env python #-*-Coding:utf8-*- Class TreeNode (object):def __init__ (self, data=none, Left=none, Right=none):Self.data = DataSelf.left = LeftSelf.right = Right Class Tree (object):def __init__ (self, Ro

Merge sort1 defMerge (Li, Low,mid, high):2i = Low3j = mid+14Ltmp = []5 whileI andJ High :6 ifli[i]Li[j]:7 ltmp.append (Li[i])8i + = 19 Else:Ten ltmp.append (Li[j]) OneJ + = 1 A whileiMid: - ltmp.append (Li[i]) -i + = 1 the whilejHigh : - ltmp.append (Li[j]) -J + = 1 -li[low:high+1]=ltmp + #li = [1,5,7,8,9,2,5,7,10] - #merge (Li,0,len (LI)//2,len (LI)-1) + #the time complexity of this algorithm is O (N*LOGN) A defMerge_so

Print(n)3 ifN/2 >1:4res = Calc (n/2)5 Print("See when I print and how many times I print:", Res)6 Print("look at the change in the value of N:", N)7 returnN8 9Calc (20)2010.05.02.51.25 See change in value of N: 1.25 See when I print and print: 1.25 See changes in the value of N: 2.5 see when I print and print: 2.5 See changes in the value of N: 5.0 see when I print and how many times I print: 5.0 See change in value of N: 10.0 See when I print and print: 10.0 See change

Python clustering algorithm-aggregated hierarchical clustering instance analysis, python Clustering This example describes the clustering of Python clustering algorithms. We will share this with you for your reference. The details are as follows: Hierarchical Clustering:The so-called Consortium refers to the

This code introduces the example of the bucket sorting algorithm in python algorithm learning. For more information, see. The code is as follows: #-*-Coding: UTF-8 -*- Def insertion_sort ():"Insert sorting, as sub-sorting of bucket sorting """N = len ()If n ReturnB = [] # Result listFor a in:I = len (B)While I> 0 and B [i-1]>:I = I-1B. insert (I, );Return B Def

"' introduced Hmac,hashlib encryption module ' ' Import hmacimport hashlibdef jm_sha256 (key, value): ' sha256 encrypted return: The results of the encryption are converted into a 16-string format and capitalized ' hsobj = hashlib.sha256 (Key.encode ("Utf-8")) Hsobj.update (Value.encode ("Utf-8 ")) return Hsobj.hexdigest (). Upper () def jm_md5 (key, value): ' MD5 encrypted return: encrypted result converted to 16 binary string and capitalized "' hsobj = hashlib.

.maketree ("/", Re, RF)R.maketree ("-", R3, R4)R.preorder (R)R.inorder (R)R.postorder (R)R.levelorder (R)Print R.leaves_count (R) When I was in college, I learned the KMP algorithm, and recently I found that I had forgotten, so I went back to read the book and wrote this algorithm in Python: Copy Code code as follows: def kmp (text, pattern): ""

Analysis of the Principle and usage of the base sorting algorithm implemented by Python, and analysis of python instances This example describes the base sorting algorithm implemented by Python. We will share this with you for your reference. The details are as follows: Base

Python implements a simple example of random Algorithm generation for red packets, and python Red Packets Example: The simple example of the above python Algorithm for random generation of red packets is all the content shared by Alibaba Cloud. I hope you can give us a refe

This article mainly introduces the example of implementing the k-means algorithm in python, simple implementation of point K-means analysis in the plane, using Euclidean distance, and using pylab, if you need it, you can refer to the simple implementation of point K mean analysis in the plane, use Euclidean distance, and use pylab to display it. The code is as follows: Import pylab as pl # Calc Euclid sq

Python Binary Tree definition and common traversal algorithm analysis, python Binary Tree This example describes the definition of a Python binary tree and common Traversal Algorithms. We will share this with you for your reference. The details are as follows: Speaking of binary tree traversal, the university talks abo

Data Structure and algorithm Python language description Chapter 2 first question (python version), Introduction to algorithms Chapter 2 answer Question:Defines a Time classA) Time (hours, minutes, seconds) to create a Time object;B) t. hours (), t. minutes (), t. seconds () respectively return the hour, minute, and second values of the time object t.C) define ad

Python implements the eight-Queen Problem Based on the tracing algorithm subset tree template, and the python queen The example in this article describes how Python implements the 8 Queen's problem based on the subset tree template of the Backtracking Method. We will share this with you for your reference. The details

Learning how to compile a simple multiplication algorithm in python and how to perform a multiplication in python Implementation Code: #! /Usr/bin/python // handler # filename jiafa. py // file name import sys import random running = True // define running while running: a = random. randint () // defines a random num

), you can achieve the purpose of timing, which is the concept of adorners, it looks like sum1 was Timeit decorated! Python then provides a syntactic sugar to reduce the amount of character input. Import Time def Timeit (func): def Test (): start = Time.clock () func () end =time.clock () Print ("Time used:", End-start) return test @timeit def sum1 (): sum = 1+ 2 print (sum) sum1 () Focusing on the @timeit of line 11th, ad