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Question Bank-2 - nanosoft.net.in
Question Bank-2 - nanosoft.net.in

... The main idea of insertion sort is to insert in the ith pass the ith element in A (1) A (2)...A (i) in its rightful place. 8. What is the main idea behind selection sort? The main idea behind the selection sort is to find the smallest element among in A (I) A (J+1)...A (n) and then interchange it wi ...
LectureVIII-stacks-4..
LectureVIII-stacks-4..

... • We have seen that arrays are efficient data structures. Accessing any element of an array necessitates a constant number of operations. • For some applications, particularly if the number of elements to be stored is not known in advance or varies during the execution of the program, arrays are not ...
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Countering Identity Theft A Privacy Perspective

Fundamentals of Python: From First Programs Through Data
Fundamentals of Python: From First Programs Through Data

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... • Suppose you have a telephone book and you want to search for a person’s telephone number. You know the person’s first and last name. How would you find it? How difficult is this? • Suppose you have the same telephone book and you want to find a person that has a certain telephone number. How woul ...
Data Structures (810:052) Lecture 24 Name:_________________
Data Structures (810:052) Lecture 24 Name:_________________

ROW 1, COL 1 - WordPress.com
ROW 1, COL 1 - WordPress.com

... –e.g. in Java: int, long, char, boolean etc. –Legal operations on integers: + - * / ... A data structure structures data! –Usually more than one piece of data –Should provide legal operations on the data –The data might be joined together (e.g. in an array): a collection ...
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Java Collections to STL

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... location (rather than the value) of a data item. • They have a number of useful applications. – Enables us to access a variable that is defined outside the function. – Can be used to pass information back and forth between a function and its reference point. – More efficient in handling data tables. ...
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... •Destroy, or clear, the list •Determine whether an item is the same as a given list element •Insert an item in the list at the specified location •Remove an item from the list at the specified location •Replace an item at the specified location with another item •Retrieve an item from the list at th ...
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Chapter 3: Fundamental Data Structures: The Array and Linked

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24slide - KSU Web Home
24slide - KSU Web Home

... still use array to implement dynamic data structures. The trick is to create a new larger array to replace the current array if the current array cannot hold new elements in the list. Initially, an array, say data of Object[] type, is created with a default size. When inserting a new element into th ...
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PPT - WSU EECS - Washington State University

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Unit III Linked Lists Variations
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... Any array with float elements of type Arraytype. How do these elements relate to each other? Two elements of this type are equal if they contain the same elements in the same order. 2. Description of operations: Here we should describe operations that can be performed on an array. The operations we ...
Lecture No. 36 33 - Taleem-E
Lecture No. 36 33 - Taleem-E

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... Vectors can be thought of as arrays that can grow in length as needed during run time. The base type of all vectors is Object. Thus, vector elements can be of any class type, but not primitive types. A linked list is a data structure consisting of objects known as nodes, such that each node can cont ...
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24slide - KSU Web Home
24slide - KSU Web Home

< 1 ... 13 14 15 16 17 18 19 20 21 ... 47 >

Array data structure

In computer science, an array data structure or simply an array is a data structure consisting of a collection of elements (values or variables), each identified by at least one array index or key. An array is stored so that the position of each element can be computed from its index tuple by a mathematical formula. The simplest type of data structure is a linear array, also called one-dimensional array.For example, an array of 10 32-bit integer variables, with indices 0 through 9, may be stored as 10 words at memory addresses 2000, 2004, 2008, ... 2036, so that the element with index i has the address 2000 + 4 × i.Because the mathematical concept of a matrix can be represented as a two-dimensional grid, two-dimensional arrays are also sometimes called matrices. In some cases the term ""vector"" is used in computing to refer to an array, although tuples rather than vectors are more correctly the mathematical equivalent. Arrays are often used to implement tables, especially lookup tables; the word table is sometimes used as a synonym of array.Arrays are among the oldest and most important data structures, and are used by almost every program. They are also used to implement many other data structures, such as lists and strings. They effectively exploit the addressing logic of computers. In most modern computers and many external storage devices, the memory is a one-dimensional array of words, whose indices are their addresses. Processors, especially vector processors, are often optimized for array operations.Arrays are useful mostly because the element indices can be computed at run time. Among other things, this feature allows a single iterative statement to process arbitrarily many elements of an array. For that reason, the elements of an array data structure are required to have the same size and should use the same data representation. The set of valid index tuples and the addresses of the elements (and hence the element addressing formula) are usually, but not always, fixed while the array is in use.The term array is often used to mean array data type, a kind of data type provided by most high-level programming languages that consists of a collection of values or variables that can be selected by one or more indices computed at run-time. Array types are often implemented by array structures; however, in some languages they may be implemented by hash tables, linked lists, search trees, or other data structures.The term is also used, especially in the description of algorithms, to mean associative array or ""abstract array"", a theoretical computer science model (an abstract data type or ADT) intended to capture the essential properties of arrays.
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