Programming Praxis

Steve Yegge is a programmer and popular blogger. One of his blog entries proposes these seven phone-screen coding exercises:

1. Write a function to reverse a string.
2. Write a function to compute the Nth fibonacci number.
3. Print out the grade-school multiplication table up to 12 x 12.
4. Write a function that sums up integers from a text file, one per line.
5. Write a function to print the odd numbers from 1 to 99.
6. Find the largest int value in an int array.
7. Format an RGB value (three 1-byte numbers) as a 6-digit hexadecimal string.

Your task is to write solutions to stevey’s phone-screen exercises. When you are finished, you are welcome to read a suggested solution, or to post your solution or discuss the exercise in the comments below.

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