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## 20 comments:

the first program should have

b=temp;

logic: swapping

a=a+b;

b=a-b;

a=a-b;

in the program for swapping 2 nos. it should be *temp= *ptra

swapping without 3rd variable

a=a+b-a;

b=a+b-b;

swapping using ptr is wrong..

should be

int temp;

temp=*a;

its wnt work... :|

a=a^b;

b=a^b;

a=a^b;

there r lots of mistakes

yaa itz right

This is single line logic:

b = b + a - (a = b);

swapping in oneline is needed?

also use this

==========

a=a-(~b)-1

b=a+(~b)+1

a=a+(~b)+1

=========

here ~b=(-b-1)

need to keep * in temp assigning in swap function

Superb nice

Superb nice

Good logic for swapping of 2 nos

Excellent

This article is really helpful for every programmer

This article is really helpful for every programmer

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