Write, in C#, Python, or Ruby, an iterator that yields (a) all permutations of the integers 1 ..n (b) all combinations of k integers from the range 1 ..n (0 ≤ k ≤ n). You may represent your permutations and combinations using either a list or an array.

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter18: Stacks And Queues
Section: Chapter Questions
Problem 16PE: The implementation of a queue in an array, as given in this chapter, uses the variable count to...
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Write, in C#, Python, or Ruby, an iterator that yields (a) all permutations of the integers 1 ..n (b) all combinations of k integers from the range 1 ..n (0 ≤ k ≤ n). You may represent your permutations and combinations using either a list or an array.

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