How can I swap two values without using a temporary?

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What is storage class?

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How do I round numbers?

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what is the difference between #include<stdio.h> and #include "stdio.h" ?

3 Answers  

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What is the use of define in c?

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An instruction which is analysed and acted upon by the processor prior to the compiler going its work a) directive b) constructive c) constant d) absolute mode

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Why is #define used?

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how to find the sizof of any datatype using bit manipulations

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What is meant by global static? why we have to use static variable instead of Global variable

4 Answers   L&T,

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#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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Write a program to swap two numbers without using third variable in c?

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main() { int i=5; printf("%d%d%d%d",i++,i--,i); }

10 Answers  

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