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Algebra of Derivatives

int fint n s...

Question

int f(int n)
{
static int r = 0;
if ( n< = 0)
return 1 ;
if (n > 3 )}
{
r = n ;
return f ( n - 2)+ 2;
}
returns f (n-1) +r;
}
The value of f (7) is ______

A

27

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B

21

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C

23

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D

25

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Solution

The correct option is B 21

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Similar questions

Q. Consider the following C function:
int f (int n)
{ static int r = 0;
if (n< 0) return 1;
if (n > 3)
{
r = n;
return f(n - 2) +2
}
return f(n-1) +r;
}
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Q. What is the output printed by the following program?
#include < stdio.h>
int f(int n, int k)
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if (n = = 0) return 0;
else if (n% 2) return f(n/2, 2*k)+k;
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printf("%d", f(20, 1));
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Q. What is the value printed by the following C program?
#include <stido.h>
int f (int *a, int n)
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if (n <= 0) return 0;
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Q. Consider the program below:
# include <stdio.h>
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Q. Consider the following recursive C function that take two arguments.

unsigned int foo(unsigned int n, unsigned int r)
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