python data structures and algorithms book

1#include 2#include 3 voidSelectsort (int*a,intn);//pre-declaring the function to be called4 intMainvoid)5 {6 intK;7 intx[Ten]={2,4,6,8,0,1,3,5,7,9};8 for(k=0;kTen; k++)9printf"%d", X[k]);Tenprintf"\ n"); OneSelectsort (x,Ten); A for(k=0;kTen; k++) -printf"%d", X[k]); -printf"\ n"); theSystem"Pause"); - - return 0; - } + - voidSelectsort (int*a,intN//array elements are pointers, number of arrays + { A intI,j,t;//integer variable at intMin//minimum value, inde

; 1){ - if(Peoples[index]) { incount++; - if(Count = = 3){ toPeoples[index] =false; +Count=0; -leftcount--;//minus 1 for the rest of the population. the } * } $ Panax Notoginseng //put the element under the label -index++; the + //If you have counted to the end of the array, start the number A if(Index > Len-1){ theindex = 0; + } - } $ $ for(i

One, simple demopublic class Recursion {public static void Main (string[] args) {Test (100);}public static void Test (int n) {if (n = = 0) {Return}SYSTEM.OUT.PRINTLN (n);Test2 (n-1);}}Two, triangle numberpublic class Triangle {public static int GetNumber (int n) {int total= 0;while (n > 0) {Total = Total + N;n--;}return total;}public static int getnumberbyrecursion (int n) {if (n = = 1) {return 1;} else {return n + getnumberbyrecursion (n-1);}}}Test:public class Testtriangle {public static void

Quick sort:/** Quick Sort*/public class QuickSort {/*** Divide arrays*/public static int partition (long arr[],int left, int. Right,long point) {int leftptr = left-1;int rightptr = right;while (true) {Loop, will be smaller than the keyword left in the left sidewhile (Leftptr Loop, will be larger than the keyword left on the right sidewhile (Rightptr > Leftptr arr[--rightptr] > point);if (leftptr >= rightptr) {Break} else {Long tmp = arr[leftptr];ARR[LEFTPTR] = arr[rightptr];ARR[RIGHTPTR] = tmp;

Data structures and algorithms (C # implementation) series --- generalized tree (II) Heavenkiller (original) Public override object key {get {return this. Key ;}} Public override uint degree {get {return this. degree ;}} // Public override uint height {get {return this. Height ;}} Public override bool isempty () // property takes the place of isempty

1#include 2#include 3 4 intBinsearch (intXintV[],intn);//function Declaration5 6 intMain ()7 {8 intarr[]={1,2,3,4,5,6,7,8,9,Ten};9 intas a result, num;Tennum=7; OneResults =binsearch (Num,arr,Ten); A - if(Results 0) -printf"I didn't find!\n ."); the Else -printf"find%d\n in arr[%d]", as a result, num); -System"Pause"); - + return 0; - } + A intBinsearch (intXintV[],intN//function Definition at { - intLow,high,mid;//min, max, Middle - -low=0; -high=n-1; - in

Data structures and algorithms (C # implementation) series --- AVLTree (II) // --------------- Override -------------------- Public override void AttachKey (object _ obj) { If (! IsEmpty ()) Throw new Exception ("My: this node must be a empty tree node! "); This. key = _ obj;

) { returnNULL; } TreeNode* node =NewTreeNode;//noice that [new] should is written out.Node->elem = * (aftorder+length-1); Std::coutStd::endl; intRootindex = 0; for(; rootindex //a variation of the loop { if(Inorder[rootindex] = = * (aftorder+length-1)) Break; } node->left =binarytreefromorderings (inorder, Aftorder, Rootindex); Node->right = binarytreefromorderings (inorder + rootindex + 1, Aftorder + rootindex, Length-(Rootindex + 1)); returnnode;}intMainintarg

Data structures and algorithms (C # implementation) series --- tree (III) Heavenkiller (original) // Overwrite Object. Equals () --- reference type realization Public override bool Equals (object _ obj) { If (_ obj = null) Return false; // this cannot be null If (! (This. GetType () = _ obj. GetType ())) Return false; // The type is not equal. Tree tmpObj = (Tre

Public classSelectionsort { Public Static voidsort (integer[] array) {if(Array = =NULL|| Array.Length = = 0) { return; } Integer mininum=NULL; Integer Miniindex=NULL; for(inti = 0; i ) {Miniindex=i; Mininum=Array[i]; for(intj = i + 1; J ) { if(Array[j] mininum) {Miniindex=J; Mininum=Array[j]; } } if(Miniindex! =i) {swap (array, I, miniindex); } } } Private Static voidswap (integer[] array, integer i, Integer j) {Integer temp=Array[i]

(e e);//replace element in collection * "9" void Add (e e);//At the previous position of the current index or the current Adds a new element to the collection at the back of the index position. *//whether or not to add new elements before or after the current index position depends on whether you are traversing sequentially or in reverse order * If it is {@link#next}, insert at the previous position of the current position *//if it is {@link#previous} to inser

The maximum value in the output array A and its subscript#include Data structures and algorithms-maximum values in a string output array

Title: Define the Fibonacci sequence as follows:/0 N=0F (n) = 1 n=1\ f (n-1) +f (n-2) n=2Enter N to find the nth item of the sequence in the quickest way.#include Data structures and algorithms-string Fibonacci to find the nth item

Package Com.js.ai.modules.pointwall.testxfz;class ordarray{private long[] a;private int nelems;public OrdArray (int max ) {a=new long[max];nelems=0;} public int size () {return nelems;} Insert method public void Insert (Long value) {int j;for (j=0;j　　Data structures and algorithms: the dichotomy Demo

True Second, collections. Ordereddict: Dictionary with OrderOrdereddict internally maintains a doubly linked list to record the order in which key values are inserted, update the key value does not affect the original order, insert key value is inserted at the end, so its memory consumption is twice times the normal dictionary ,From collections Import ORDEREDDICTD = Ordereddict () d[' a '] = 1d[' c '] = 3d[' b '] = 2print (d, D.items ()) Ordereddict (' A ', 1), (' C ', 3)

List operation code is small but more error-prone, is more suitable for the interview place. Code implementation /** * Source Name: Mylinklist.java * Date: 2014-09-05 * program function: Java list operation * Copyright: [emailprotected] * A2bgeek */import Java.util.Sta Ck;public class Mylinklist {class Linknode"Data structures and Algorithms" Java l

node is now Point to the head of the now node's next pointer; Set the now node to the head of the new rollover completion node header now; Point to head now, and so on, the next pointer to the previous node of the now node. 3. Two points search common scenes Finding a number in an ordered sequence; For example, given an array of arr, determine if the integer m is in arr (Train of thought: Determine the size of the mid-to-m re

; J ) {System.out.print (A[j]+ " "); } System.out.println (""); } //Bubble Sort Public voidBubblesort () {intOut , in; for(out = nElems-1, out > 1; out--) { for(in = 0; in ) { if(A[in] > a[in + 1]) {swap (in,+ 1); } } } } //Insert Sort Public voidInsertionsort () {intin, out; //Out are dividing line for(out = 1; out ) { //Remove marked item Longtemp =A[out]; //start shifts at outin =Out ; wh

The implementation of the dictionary// 字典类function Dictionary () { this.add = add; this.dataStore = new Array(); this.find = find; this.remove = remove; this.showAll = showAll; this.count = count; this.clear = clear;}function add (key, value) { this.dataStore[key] = value;}function find (key) { return this.dataStore[key];}function remove (key) { delete this.dataStore[key];}function showAll () { let datakeys = Array.prototype.slice.call(Object.keys(this.dataStore)

node1.next = node3; node3.previous = node1; node3.next = node2; node2.previous = node3; node2.next = node4; node4.previous = node2; }};DList.prototype.advance = function (n, item) { let currNode = this.find(item); while (n--) { this.goPrevious(currNode); }};// 示例let names = new DList();names.insert('Mazey', 'head');names.insert('Cherrie', 'Mazey');names.insert('John', 'Cherrie');names.insert('Luna', 'John');names.insert('Ada', 'Luna'