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Program to swap the value of two variables without using third variable(simplest way)...

Rohan
17/11/2018 0 1

int main()

{

int a=10,b=20;

printf("values of a before swap ="%d,a);

printf("values of b before swap ="%d,b);

a=a+b;

b=a-b;

a=a-b;

printf("******************");

printf("values of a after swap ="%d,a);

printf("values of b after swap ="%d,b);

return 0;

}

output:

values of a before swap =10

values of b before swap =20

values of a after swap =20

values of b after swap =10

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Maniraj Baral | 02/12/2018

Its not the best , use XOR a=a^b; b=a^b; a=a^b;

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