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One of the best known general techniques for developing of the
algorithms is the Backtracking method. It seeks to eliminate the
generation of all possibilities in order to get the result. The
Backtracking method can be applied to those problems for which the
solution can be represented as a vector whose elements take values
in some finite sets and who meet certain internal conditions. In
the Backtracking method, the vector elements are expressed one at a
time, assigning a value to a component will be done only after
values have been assigned to all its previous components, and no
incompatibilities exist between these values. Classical problems
solved by this method are: queens' problem, Cartesian product
generation, the generation of combinations, the 0-1 knapsack
problem. The book is structured into 7 chapters and provides the
solutions to a number of 19 classical problems by using versions of
the backtracking algorithm. Most of the paragraphs are followed by
a section with solved exercises and problems.
Este libro esta dirigido a los programadores que tienen
conocimientos minimos de programacion orientada a objetos en Visual
Basic y Delphi. Sin embargo, incluso los programadores
acostumbrados con los entornos de programacion mas simples pueden
aprender facilmente la programacion visual en Delphi o Visual
Basic, a partir de ejemplos como los de este libro. Los ejemplos de
aplicaciones presentadas en este libro son diferentes por las
tematicas tratadas. Hemos intentado cubrir un numero suficiente de
situaciones con que cualquier programador se encontraria cuando
desearia desarrollar un programa mas complejo en Visual Basic o
Delphi. Con la creencia de que cualquier persona que va a estudiar
atentamente las aplicaciones presentadas en este libro hara una
pasion de la programacion visual, deseo a todos una lectura
agradable y una compilacion sin errores "
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