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How to swap two variables, without using third variable ?
Answer Posted / d maniteja
let
a=x, b=y our aim is to get output as a=y&b=x;
program:
void main()
{
int a=x,b=y;
a=(a+b)+(a-b);
b=(a+b)-(a-b);
a=a/2;
b=b/2;
printf(("%d %d",a,b);
}
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