# Algorithm and Sorting, Big-O

1)

An algorithm to sort and list names has been made out of two other algorithms. The first algorithm will sort the names and is order O(n * log2 n). The second algorithm lists the names and is order O(n). The entire sort-and-list algorithm is therefore of order:

a) O(n).

b) O(n * log2 n).

c) O(n^2 * log2n^2).

d) none of the above.

Explain Why.

2)

The approximate number of iterations of an algorithm with data size N is determined to be:

1 + 2 + 3 + ... + N

a) Write a table that shows N and the number of iterations for the first 10 values of N.

b) What is the O-notation for this algorithm?

## Deliverables

1) Text file solution to these problems.

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