C program solve by C program

Question 18 Not yet answered Write a program to enter a number from the keyboard, and Marked out of If the entered number is positive, calculate the perimeter of a cuboid. 6.00 Flag question else, calculate the total surface area of a cuboid. Note-Perimeter=4(1 + b +h), Total surface area=2(1b+bh+hl). (All the inputs should be entered from keyboard). (4 Marks) ii) Draw the flowchart for the whole program. (2 Marks)