how to swap the variables without using temp and operators

Question Posted / rajesh

how to swap the variables without using temp and operators..

Answer / santhosh

int a, b;
a = 10;
b = 20;
a = a + b;
//a=30
b = a - b;
a = a - b;

Console.WriteLine("a={0},b={1}", a, b);
Console.ReadLine();

Is This Answer Correct ?

10 Yes

2 No

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