From: "Bruce D. Wedding" 

I found these on a C Yahoo group and some look like fun.

1. Write a "Hello World" program in 'C' without using a
semicolon. (Hint: this makes use of C99 to be legal)

2. Write a C program without using any loop (if, for, while etc) to print
numbers from 1 to 100 and 100 to 1;

3. Find if the given number is a power of 2.

4. Multiply x by 7 without using multiplication (*) operator.

5. Write a function in different ways that will return f(7) = 4 and f(4) = 7

6. Remove duplicates in array

7. Finding if there is any loop inside linked list.

8. Write code to determine if a TYPE is signed or unsigned.  Got it?  OK,
write code to determine if a value is unsigned or signed.

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