must yield the same value

must yield different values

may or may not yield the same value

none of these

prints 8

prints 6

prints 6 or 8 depending on the compiler implementation

is syntactically wrong

is 3 5

is 4 5

is 4 4

is implementation dependent

x = x - y + 1

x = -x -y -1

x=-x +y + 1

x= x - y -1

prints 100

prints ASCII equivalent of 100

prints garbage

none of above