Using C bit operators:

2min - return second smallest two's complement integer

* Legal ops: ! ~ & ^ | + << >>

* Max ops: 6

You are expressly forbidden to:

1. Use any control constructs such as if, do, while, for, switch, etc.

2. Define or use any macros.

3. Define any additional functions in this file.

4. Call any functions.

5. Use any other operations, such as &&, ||, -, or ?:

6. Use any form of casting.

7. Use any data type other than int. This implies that you

cannot use arrays, structs, or unions.

int 2min(void) {