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1. home
- loki.cs.brown.edu:8081
2. Mullock Heaps
- ausopals.futureweb.com.au
- Mullock Heaps.
- A view of the mullock heaps around us, from the top of our heap. ...
3. Weak-Heaps
- www.informatik.uni-freiburg.de
- Weak-Heaps .
- Weak-heap-sort is a fast sequential general sorting algorithm based on weak-heaps that sorts n Elements with exactly nk - 2k + n - k comparisons in the worst-case and exactly nk - 2k + 1 comparisons in the best-case, with k being the smalles integer above log n. ...
- size; } int swap(int i,int j) { Swap(a i ,a j ); Swap(c i ,c j ); if (dual) { dual->c c i = i; dual->c c j = j; } } int comp(int i, int j) { // Compares elements in Weak-Heap if (type == 0) return Comp(a i ,a j ); else return Comp(a j ,a i );} int npos(int n) { if (n == 0) return 0; if (n == 1) return 1; return 2 * npos(n/2) + 1 - (r n/2 ==n%2); } void transform() { // MaxWeak-Heap in MinWeak-Heap and vice versa int i; for (i = size - 1; i >= (size-1)/2+1; i--) swap(Gparent(i),i); for (i = (size-1)/2; i >= 1; i--) Merge(Gparent(i),i); } int IsWeakHeap() { // Is datastructure is a Weak-Heap int i,Flag=1; for (i=size-1;i>=1;i--) Flag = Flag && (!(comp(Gparent(i),i))); return Flag; } IsEmpty() { return (size==0); } T Optimum() { return a 0 ; } T Inv_Optimum() { // returns Min in MaxWeak-Heap and vice versa int i,io=0; for (i = size - 1; i >= (size-1)/2+1; i--) if (comp(i,io)) io = i; return a io ; } T DeleteOpt() { // DeleteOpt as standart PQ-Operation T x=a 0 ; size--; swap(0,size); if (dual) { dual->size--; dual->swap(c size ,size); } if (size != 1) MergeForest(size); return x; } void Insert(T v) { int x=size; c x = x; insert(v); if (dual) { dual->c x = x; dual->insert(v); } } void insert(T v) { // Inserts an element in Weak-Heap int x=size; a x = v; r x = 0; while ((x !=0) && (comp(Gparent(x),x))) { swap(Gparent(x),x); r x = 1- r x ; x = Gparent(x); } size++; } int Gparent(int j) { // Grandparent-relation while ((j & 1) == r j/2 ) j /= 2; return (j / 2); } void Merge(int i, int j) { if (comp(i,j)) { r j = 1-r j ; swap(i,j);}} void MergeForest(int m) { // merging Weak-Heaps into a new Weak-Heap int x=1; while (2* x + r x < m) x = 2*x + r x ; while (x>0) { Merge(0, x); x /= 2; } } void Heapify() { // creates an Weak-Heap in n-1 comparisons int i; for (i = size - 1; i >= 1; i--) Merge(Gparent(i), i); } void Sort() { // sortdown an existing Weak-Heap int i; for (i = size - 1; i >= 2; i--) { swap(0,i); MergeForest(i); } if (size>1) swap(0,1); } void PrintRek(int root, int l) const { int i; if (2 * root + 1 - r root < size) { PrintRek(2 * root + 1 - r root ,l+3); } if (root != size) { for (i = 1; i <= l; i++) cout <<" "; cout << a root << "\n"; } if (2 * root + r root < size) { PrintRek(2 * root + r root ,l+3); } } print() const { int i; for (i=0; i<size; i++) cout << a i . ...
4. Python-Dev heaps
- mail.python.org
- Python-Dev heaps .
- Next message: Python-Dev heaps .
- I'll summarize some of the heap interfaces that have been proposed: - the heapq currently in CVS: - Provides functions to manipulate a list organized as a binary heap - Advantages: - Internal binary heap structure is transparent to user, useful for educational purposes - Low overhead - Already in CVS - My MinHeap/MaxHeap classes: - Provides a class with heap access routines, using a list internally - Advantages: - Implementation is opaque, so it can be replaced later with Fibonacci heaps or Paired heaps without breaking user programs - Provides an adjust_key() command needed by some applications (e. ... Dijkstra's Algorithm) - David Eppstein's priorityDictionary class: - Provides a class with a dictionary-style interface (ex: heap 'cat' = 5 would give 'cat' a priority of 5 in the heap) - Advantages: - Implementation is opaque, so it can be replaced later with Fibonacci heaps or Paired heaps without breaking user programs - A dictionary interface may be more intuitive for certain applications - Limitation: - Objects with the same value may only have a single instance in the heap. ...
- Next message: Python-Dev heaps .
5. Internet Archaeol. Advisory Committee E Heaps
- intarch.ac.uk
- Elizabeth Heaps.
- Elizabeth Heaps is the Acting University Librarian for the University of York. ...
6. College for West Virginians
- www.collegeforwv.com
- HEAPS .
- HEAPS.
- USE “HEAPS” TO FULFILL YOUR CHILDHOOD DREAM OF A HIGHER EDUCATION.
- The purpose of the Higher Education Adult Part-time Student (HEAPS) Grant Program is to encourage and enable needy West Virginia students who desire to continue their education on a part-time basis at the postsecondary level. The West Virginia Higher Education Policy Commission is the administering agency for the HEAPS Grant Program.
- Total aid, including the HEAPS award, may not exceed the recipient’s total cost of education as defined by the institution being attended.
- HEAPS grants are eligible for renewal consideration, assuming satisfactory academic progress, until the program of study is completed but not to exceed an additional nine years beyond the first year of the award.
- HEAPS Grant Program.
7. Creating Heaps
- www.picturel.com
- Creating Heaps .
- Memory can be divided into heaps from which useful portions are allocated. The application may arrange for segments of memory to be converted into heaps with the heap_init function. ...
- For example, to create heaps from some architecturally defined segments of memory, use heap_init like so: .
- The example if Figure illustrates a few of the basics of using heaps. Note that uCR does not include a special function for destroying heaps. Generally, heaps are permanent (segments of physical memory don't typically vanish) but as the above example shows, it may be perfectly reasonable to dynamically allocate a temporary heap. ...
8. Taxonomy: Memory Heaps
- pcroot.cern.ch
- Taxonomy: Memory Heaps.
- The Memory Heaps provide a multithread-safe way to allocate memory.
- CommonPoint Application System / System Services / OS Services / Object Runtime Services / Memory Heaps.
9. Memory Heaps
- www.picturel.com
- Memory Heaps.
- Embedded systems often have different kinds of memory, for example SRAM for small private objects, or perhaps synchronous DRAM for manipulation of large images, and so uCR allows programmers to create other heaps in specified sections of address space. ...
- This is necessary because ``delete'' cannot be overloaded to take a HEAP_SPACE parameter, and to require such would render ``delete'' unuseable for memory allocated from alternate heaps. ...
10. Fisheries.co.uk - Ian Heaps Premier Fisheries, Narberth, Pembrokeshire, Wales
- www.fisheries.co.uk
- Ian Heaps Premier Fisheries.
- Ian Heaps launches 'Autumn Festival 2004'.
- Former World Coarse Angling Champion Ian Heaps is to stage his fourth Autumn Angling Festival at his Ian Heaps Premier Fishery in what he describes as: "Probably the richest small match in the UK with a list of over 50 prizes over the festival days. ...
- Former World Coarse Fishing Champion Ian Heaps - who took the title in Poland in 1975, became European Champion in Portugal in 1985 and was a member of the England team from 1975 to 1988 - realised another lifetime's ambition when he opened his three lake fishery next to the Eastern Cleddau river in Pembrokeshire. ...
- Since opening Holgan Farm he has also continued to develop his Ian Heaps School of Angling where novice and experienced anglers can receive group and one-to-one tuition from one of the top names in angling. ...
- Ian Heaps Fishery might be a long drive from most parts of the UK, but in addition to offering a total of 90-pegs on three well-stocked and attractive lakes - not to mention a stretch of the Eastern Cleddau which is well known locally for its brown trout, sea trout and salmon - it is also on the doorstep of some of the finest sea and estuary fishing in the whole of South Wales. ...
- With an on-site tackle shop, ladies and gents toilets and picnic areas equipped with picnic tabled scattered round the site, Ian Heaps Fishery is suitable for all the family. ...
- Ian Heaps Premier Fishery offers easy access to all pegs. ...
- Ian Heaps also offers personal tuition at £75 per day or.
- Ian Heaps says that the way you feed is equally as important as how you shot your line. ...
- Ian Heaps' favourite technique, however, is to fish a quarter-inch bread punch close in on the slope over a tangerine sized ball of liquidised bread. ...
- With a maximum depth of about eight and a half feet, Match Lake is the deepest of the three lakes at Ian Heaps Fishery and has a large central island scalloped into bays opposite all pegs giving anglers some lovely waggler fishing at about 20 metres. ...
- Described by Ian Heaps as: "One of South West Wales' best kept secrets", the Eastern Cleddau yields Sea Trout to double figures whilst the average size of fish caught by the daytime angler is usually between 1lb 8oz and 2lb 8oz. ...
- Ian Heaps School of Angling .
- Ian Heaps 'School of Angling' has to be an excellent way to take a holiday whilst improving your angling technique and knowledge at the same time, whatever the time of year. ...
Other
pages with similar relevance:
11. Pointer Heaps: Introduction
- www.sci.csuhayward.edu
- Next: Sorting Up: Heap/Priority Queue: ADT Previous: Array Heaps: Percolate Up   Contents .
- Pointer Heaps: Introduction 124 .
- Before: Array ``Balanced'' Heaps .
- Now: Pointer ``Unbalanced'' Heaps but with same property. ...
- Note: ``Leftist'' Heaps (see text) are different. ...
- Pointer Heaps: minheap1 and minheap2 125 .
12. Heaps
- www.cs.bell-labs.com
- Heaps .
- This column is about ``heaps'', a data structure that we'll use to solve two important problems. ... Heaps maintain a set of elements under the operations of inserting new elements and extracting the smallest element in the set; each operation requires O(log n) time. For both problems, heaps are simple to code and computationally efficient. ...
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