April 2024
Intermediate to advanced
832 pages
29h 31m
English
Content preview from Design and Analysis of Algorithms
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Effi ciency of Algorithms 379
14.4 EFFICIENCY OF RECURSION
We have already discussed the design of recursive algorithms in Chapter 8. In general, a non-recursive
version of a program will execute more effi ciently in terms of time and space than a recursive version. This
is because the overhead involved in entering and exiting a block is avoided in the non-recursive version. In a
recursive algorithm a number of local and temporary variables are to be stacked and unstacked on the stack,
which consumes both time and space.
However, in some cases a recursive algorithm is the most natural and logical way to solve a problem.
Thus we have a confl ict ...
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