Question
Write a program to interchange 2 variables without using the third one.
Answers
a ^= b; ie a=a^b b ^= a; ie b=b^a; a ^= b ie a=a^b;
here the numbers are converted into binary and then xor operation is performed.
You know, you‘re just asking ?have you seen this overly clever trick that‘s not worth applying on
modern architectures and only really applies to integer variables??   Your Comment




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