Algorithms question: Please help if you can

1. Find how many times the string CS3130 will be printed in each of the following code fragments. Show all the details of calculations; your answer must be a function of n.

(a) i=0 while i < 2n print CS3130 i = i+2

(b) i=0 while i < n for j = 0 to n print CS3130 i = i+1

(c) for i = 0 to n for j = 0 to i print CS3130