Tài liệu Thuật toán Algorithms (Phần 31) docx
Tài liệu Thuật toán Algorithms (Phần 31) docx
... factor N to calculate x and y. But factoring N is thought to be very
difficult: the best factoring algorithms known would take millions of years to
factor a 200-digit number, using current technology.
An ... connections with computer science and al-
gorithms, especially the arithmetic and string-processing algorithms that we
have studied. Indeed, the art (science?) of cryptology has an in...
Tài liệu Thuật toán Algorithms (Phần 2) docx
... book.
Analysis of Algorithms
In this short chapter we’ve already seen three different algorithms for the same
problem; for most problems there are many different available algorithms.
How is ... need to be studied in order to understand the algorithms.
Simple algorithms can give rise to complicated data structures and, conversely,
complicated algorithms can use simple data structu...
Tài liệu Thuật toán Algorithms (Phần 47) docx
... software
capabilities certainly can have a significant impact on specific algorithms, but
good algorithms on old machines are, for the most part, good algorithms on
new machines.
One reason for this is that the ... merits further
study. The many variants on algorithms for the union-find problem of Chapter
are ably categorized and compared by van Leeuwen and The
algorithms for shorte...
Tài liệu Thuật toán Algorithms (Phần 48) docx
... performance of
various algorithms, we can look forward to the development of general-purpose
parallel computers that will provide improved performance for a wide variety
of algorithms.
470
Exercises
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Outline ... a significant effect on algorithm design, suggest-
ing changes that can provide interesting new algorithms and fresh challenges
for the algorithm de...
Tài liệu Thuật toán Algorithms (Phần 53) docx
... something like or to
be considered efficient. We’ve generally considered quadratic algorithms to be
bad and cubic algorithms to be awful. But for the problems that we’ll consider
in this and the ... graph. For all of the algorithms in those chapters, it was
possible to arrange the computation so that each node is visited just once, and
this leads to very efficient algorithms. For the H...
Tài liệu Thuật toán Algorithms (Phần 14) docx
... the interface between (potentially complicated)
algorithms associated data structures and (a potentially large number
of) programs which use the algorithms and data structures. This makes it
easier ... 33, we’ll see how priority queues can serve as the basis for several
fundamental graph searching algorithms. These are but a few examples of
the important role served by the priority queue...
Tài liệu Thuật toán Algorithms (Phần 27) docx
... the algorithm can be relied upon to take about
N + M steps.
254 CHAPTER 19
Multiple Searches
The algorithms that we’ve been discussing are all oriented towards a specific
string searching problem: ... one of the keys
will always be greater than the other.) Then the hashing, binary tree, and
other algorithms of the previous section can be used directly. First, an entire
structure is built...
Tài liệu Thuật toán Algorithms (Phần 56) ppt
... 227.
Matching, 443-452, 454.
match (general regular-expres-
sion pattern matching), 265.
Mathematical algorithms, 23-88.
Mathematical programming, 497.
Matrices.
addition, 28-29 (matradd).
band, 64.
chain ... recursive), 145.
Selection sort, 95 (selection), 144,
326.
Self-organizing search, 175.
Seminumerical algorithms, 88.
Sentinel, 106, 173, 273, 309, 329,
96, 247, 254, 493.
Separate cha...
Tài liệu Thuật toán Algorithms (Phần 1) doc
... useful
algorithms.
The book consists of forty chapters which are grouped into seven major
parts: mathematical algorithms, sorting, searching, string processing, geomet-
ric algorithms, graph algorithms ... . .
Algorithms, Outline of Topics
1. Preview. . . . . . . . . . . . . . . . . . . . . . .
Pascal, Euclid’s Algorithm, Recursion, Analysis of Algorithms
Implementing Algorithms
MA...
Tài liệu Thuật toán Algorithms (Phần 3) pdf
... doubles, the running time increases
eightfold.
Few algorithms with exponential running time are likely to be ap-
propriate for practical use, though such algorithms arise naturally as
“brute-force” ... effect of the leading term dominates; for small
N or for carefully engineered algorithms, more terms may contribute and
of algorithms are more difficult. In most cases, we’ll simply ref...