What would be the output of following program? void main() Write four equivalent C statements each of which subtracts 1 from a variable called Val. Write the following expressions without using...

What would be the output of following program? void main()

Write four equivalent C statements each of which subtracts 1 from a variable called Val.

Write the following expressions without using relational operators:

i. if (Val == 0)

ii. if (Val != 0)

Write a single statement that increments the value of a variable Val by 1 and then adds it to a variable called num.