"HELLO WORLD" EXERCISES



 1. Are the following programs legal?

    (a)   #include <stdio.h>
          main() {                  
             printf("Hello World\n");  
          }                            

    (b)   #include <stdio.h>
          void main() {                  
             printf("Hello World\n");  
          }                            

 2. Write a program that reads in two integers and prints their sum.

 3. Write a program that prints "Hello World" 5 times.

 4. Write a program that reads in an integer and prints out "Hello World"
    that many times.