Two

Eight

Twenty

Theoretically no limit. The only practical limits are memory size and compilers

&x[i-1] + sizeof (int)

x + sizeof (int) * i

x+i

none of these

″12345″

nothing since 12345 is an integer

S is an illegal name for string

%s cannot be used for reading in values of S

Initialization is a part of definition

It is a declaration

It is a formal parameter

All of these

1167

1164

1264

1169