START DECLARE radius (double), volume (double); DECLARE pi (const double) = 3.142; READ radius; IF (radius >0 ) CALCULATE volume =(4/3) pi * (radius * radius * radius); DISPLAY "Volume of sphere: ", volume; ELSE DISPLAY "Invalid radius value. Please enter a valid radius value."; ENDIF END Write a C++ code segment for the following tasks: a) Declare a float array named numbers and initialise the array with five elements: 67.8,12.2,45.89,15.2,28.5 b) Print the elements in the array from the last element to the first element on a new line, respectively using a for loop. State the output of the following code: a) int sum =2; for (int i=1;i