C Programming

What does the following fragment of C program print?

char c[] = "GATE2011";
char *p  = c;
printf("%s", p + p[3] - p[1]);

Common Data for Questions 48 and 49: Consider the following recursive C function that takes two arguments.

unsigned int foo(unsigned int n, unsigned int r) {
    if (n>0) return ((n%r) + foo(n/r, r));
    else return 0;
}

What is the return value of the function foo when it is called as foo(345, 10)?

Common Data for Questions 48 and 49: Consider the following recursive C function that takes two arguments.

unsigned int foo(unsigned int n, unsigned int r) {
    if (n>0) return ((n%r) + foo(n/r, r));
    else return 0;
}

What is the return value of the function foo when it is called as foo(513, 2)?