if else Program

If Else All Basic Programs.

write a c program to find maximum value with two variable.
write a c program to find maximum value with three variable.
write a c program to check gender male or female.
write a c program to your age is eligible for vote or not.
write a c program to Enter your marks to know your grade.
write a c program to check leap year or  not.
write a c program to input any character and check whether is alphabet,digit,or special character.
write a c program to uppercase and lowercase.
write a c program to calculate profit or loss.