标准c语言基础教程练习

Exercise 1: Programming Environment and Basic Input/Output

1. Write a program that prints “This is my first program!” on the screen.

(a) Save this program onto your own disk with the name of e2-1a;

(b) Run this program without opening Turbo C;

(c) Modify this program to print “This is my second program!”, then save it as

e2-1b. Please do not overwrite the first program.

2. Write a program that prints the number 1 to 4 on the same line. Write the program

using the following methods:

(c) (Optional) How about 174 minutes?

Exercise 2: Data Types and Arithmetic Operations

1. You purchase a laptop computer for $889. The sales tax rate is 6 percent. Write and

execute a C program that calculates and displays the total purchase price (net price

+ sales tax).

2．Write a program that reads in the radius of a circle and prints the circle’s diameter,

circumference and area. Use the value 3.14159 for “”.

3 ． Write a program that reads in two numbers: an account balance and an annual

interest rate expressed as a percentage. Your program should then display the new

balance after a year. There are no deposits or withdraws – just the interest payment.