Max xor pair question

#1

Ans is always coming 0.Pl tell the mistake.

#2

@ayush15goel
You seem to have sent the wrong code or editted it after sending it. There is no output logic in this one.
Please send the correct code.

#3
#4

@ayush15goel
Line 15 and Line 36
Your loop condition is wrong
It should be i>=0 and not i<=0

#5

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