. Practice with while and for loops a. Write a while loop that counts down from 46 to 0 by 2. b. Using a for loop, create an array of values from 3 to 99 counting by 3. c. Create an array of 128 evenly spaced points between 0 and 2. Use a for loop and define pi using constexpr double pi = 3.14.;

USE COMPLETE STEPS AND USE C++