Cognizant interview question
Swap 2 numbers without using 3rd variable
Interview Answer
Anonymous
21 Dec 2020
Let a=3, b=2 a = a-b; b=b+a; a=b-a;
Swap 2 numbers without using 3rd variable
Anonymous
Let a=3, b=2 a = a-b; b=b+a; a=b-a;
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