1. What is a permutation? 2. In your own words, explain the recursive insight necessary to enumerate the permutations of the characters in a string. 3. How many permutations are there of the string...

1. What is a permutation?

2. In your own words, explain the recursive insight necessary to enumerate the permutations of the characters in a string.

3. How many permutations are there of the string "WXYZ"?

4. What simple case is used to terminate the recursion in Mondrian.cpp?

5. Draw a picture of the order-1 fractal snowflake.

6. How many line segments appear in the order-2 fractal snowflake?