#include<stdio.h> int f(int,int); int main() { printf("%d",f(20,1)); return 0; } int f(int n,int k) { if(n==0) return 0; else if(n%2)return f(n/2,2*k)+k; else return f(n/2,2*k)-k; } how this program is working and generating output as 9....?

1 Answers  

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In C, What is the #line used for?

2 Answers  

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which of the function operator cannot be over loaded a) <= b)?: c)== d)*

10 Answers   Cisco, CTS, Google, HCL, HP,

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What is volatile variable in c?

0 Answers  

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write a program to swap two numbers without using temporary variable?

3 Answers  

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what is an inline function?

2 Answers   TCS,

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if the address of a[1,1] and a[2,1] are 1000 and 1010 respectively and each occupies 2 bytes then the array has been stored in what order?

4 Answers   Amazon, Apple, Bata, Google, NASA,

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What is #line used for?

0 Answers  

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Write a c program for sum of first n terms of the series S = 1 - (1/3) + (1/5) -(1/7) + (1/9) ......

2 Answers  

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Write a C program to perform some of the operation which can be performed using Single linked list

1 Answers   Qualcomm,

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what is real time system?what is the differance between hard and soft real time systems

2 Answers  

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write a c program for print your name .but,your name may be small letter mean print a capital letter or your name may be capital letter mean print a small letter .example \\enter ur name : sankar The name is: SANKAR (or) enter your name:SAnkar The name is:saNKAR

3 Answers   IBM,

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