Answer Posted / venkanna

swap(a,b);
{
a=a+b;
b=a-b;
a=a-b;
}
Explenation:
if a=5 and b=10
a=a+b(5+10)=15
b=a-b(15-10)=5------------swaped here
a=a-b(15-5)=10------------

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