As evident from the previous chapters, there are many ways to solve a given problem. In computing we are
generally concerned with a “good’’ solution to a problem. What are the characteristics of a good solution? In
algorithm design “good’’ has both quantitative as well as qualitative aspects. A good solution is economical
in the use of computing and human resources. An important factor in deciding the quantitative aspect of the
goodness of a program is the effi ciency of its underlying algorithm. We are concerned with the relationship
between the execution time and the problem size of the input to an algorithm, that ...
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