Answer / rahul

rahul

Answer / deep

let a=5 , b=10
a=a-b
means a=5-10=-5
b=b+a
b=10+(-5)
b=5
a=b-a
a=5-(-5)
a=10

Answer / beeresh

a=a/b;
b=a*b;
a=b/a;

Answer / 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);
}

Answer / e.naveenkumar

without using third variable swap two nos
a=(a+b)-(b-a);

Answer / amit kumar

10 answer is perfect

Answer / gobinath

swap(int *a,int *b)
{
*a=*a-*b;
*b=*a+*b;
*a=*b-*a;

}

Answer / sudha

a = a + b;
b = a - b;
a = a - b;

Answer / jc10

1. b=b+a
2. a=b-a
3. b=b-a

Answer / suraj

a=a+b;
b=a-b;
a=a-b;

Link list in reverse order.

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