GSOC First Exercise Implemented Using PHP
Exercise:
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write a program to determine how many different arrangements there are for the letters a, b, c, d, e, if letters can be repeated.
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Write a program that will show the output for each arrangement as defined above.
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Write a binary search routine that returns the first occurrence of the key.
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If the above is recursive, convert it to non-recursive, or vice-versa.
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