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continued
continued

... q.add(new WorkOrder(1, "Fix overflowing sink")); q.add(new WorkOrder(2, "Order cleaning supplies")); ...
Notes for Lecture 3 (ppt file)
Notes for Lecture 3 (ppt file)

... Bonus: (Will add 1 point in the final score) Give the pseudo code for solving the Itinerary Generation Problem (week 1’s folder). For bonus, your answer MUST be perfect. No partial mark will be given. This is a very hard problem at this stage (earlier semester). No need to do that if you do not have ...
Optimizing Hash-Array Mapped Tries for Fast and Lean Immutable
Optimizing Hash-Array Mapped Tries for Fast and Lean Immutable

stacks and Queues
stacks and Queues

... – Arrays are data storage structures while stacks and queues are specialized DS and used as programmer’s tools. ...
SnapQueue: Lock-Free Queue with Constant Time Snapshots
SnapQueue: Lock-Free Queue with Constant Time Snapshots

... Single-shot queue, or segment, is simple, and consequently efficient. However, boundedness and the L-operations limit make it uninteresting for most practical purposes. Our goal is an unbounded queue with arbitrary atomic operations, which we name SnapQueue. In this section, we show its data types. ...
2.7 Jagged Diagonal Storage (JDS)[7]
2.7 Jagged Diagonal Storage (JDS)[7]

... Alternatively, the nonzero elements may lie in blocks (dense submatrices) of the same size, which form a regular pattern, typically along a small number of (block) diagonals. A matrix with irregularly located Entries is said to be irregularly structured. A sparse matrix with irregular structure is t ...
Queue
Queue

... If we let Front is Q[0], and let queue grow from left to right, as in case of Stack, it’s not efficient solution. It requires moving all queue-elements forward onearray cell, each time we perform dequeue operation. Such an implementation requires O(n) time to perform dequeue-method, where n is the c ...
03ListsStacksAndQueues
03ListsStacksAndQueues

... we might have such operations as add, remove, size, and contains. Alternatively, we might only want the two operations union and find, which would define a different ADT on the set. ...
Algorithms and Data Structures - Basic Data Structures - BFH
Algorithms and Data Structures - Basic Data Structures - BFH

... The vector ADT extends the notion of an array by storing a sequence of arbitrary elements Ý An element can be accessed, inserted, or removed by specifying its rank ∈ {0, 1, 2, . . .} = number of elements preceding it Ý The size (number of stored elements) of a vector changes when elements are insert ...
A Practical Introduction to Data Structures and Algorithm Analysis
A Practical Introduction to Data Structures and Algorithm Analysis

... For all values of n > 1, csn/2 ≤ csn. Therefore, by the definition, T(n) is in O(n) for n0 = 1 and c = cs. Example 2. T(n) = c1n2 + c2n in average case c1n2 + c2n ≤ c1n2 + c2n2 ≤ (c1 + c2)n2 for all ...
notes
notes

... • Records may also be deleted from a hash table. • But the location must not be left as an ...
Online Sorted Range Reporting
Online Sorted Range Reporting

... the pre-calculated rank, and even better if it is possible to generate an increasing prefix of this ordered set on demand. In short, we would like a functionality similar to storing at each node in the tree a list of the leaves in its subtree sorted by their pre-calculated rank, but without the pro ...
9781285852751_PPT_ch17 - Business and Computer Science
9781285852751_PPT_ch17 - Business and Computer Science

Index Tuning
Index Tuning

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8 Pointer Logic - CSE Wiki Policy Update
8 Pointer Logic - CSE Wiki Policy Update

... This chapter introduces a theory for reasoning about programs that use pointers, and describes decision procedures for it. We assume that the reader is familiar with pointers and their use in programming languages. A pointer is a program variable whose sole purpose is to refer to some other program ...
PoSSuMsearch: Fast and Sensitive Matching of Position Specific
PoSSuMsearch: Fast and Sensitive Matching of Position Specific

... In this paper, we present a new algorithm for searching PSSMs. The overall structure of the algorithm is similar to the method of [DC00]. However, instead of suffix trees we use enhanced suffix arrays, a data structure which is as powerful as suffix trees (cf. [AKO04]). Enhanced suffix arrays provid ...
Tutorial 9 – Analysis of Algorithms 1. Big
Tutorial 9 – Analysis of Algorithms 1. Big

Ch17
Ch17

... C++ Programming: Program Design Including Data Structures, Sixth Edition ...
2 - Dr.Mohamed Khafagy
2 - Dr.Mohamed Khafagy

... insertions take place at one end and all deletions take place at the opposite end. It is also known as First-In-First-Out (FIFO) ...
STL (Standard Template Library)
STL (Standard Template Library)

... empty(): Returns true if the sequence is empty. resize(int i): Change size of the sequence. ...
PDF
PDF

Dynamic Succinct Tries - King`s College London
Dynamic Succinct Tries - King`s College London

LECT#23
LECT#23

PPT - UNSW
PPT - UNSW

... Data structures for looking up term  Two main classes of data structures: hashes and trees  Some IR systems use hashes, some use trees.  Criteria for when to use hashes vs. trees:  Is there a fixed number of terms or will it keep growing?  What are the relative frequencies with which various k ...
A Second Year Course on Data Structures Based on Functional
A Second Year Course on Data Structures Based on Functional

... That is, the main wonderings of the course are abstraction and efficiency. The reasons for this choice are the same as in the imperative case: a first advanced programming course must put the emphasis more in fundamental concepts and techniques than in broading the programmer catalog of available algor ...
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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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