How can we do this

#1

Example 2 2 4 5 5
ans = 2^2 =0
then ans = 4^5= 1
ans = 5^5=0;
so at the end answer should be zero i guess but program is also giving output as 4 but i am not able to understand it please help.

#2

we are taking xor of ans with no

NOTE: xor with zero will not effect the no a^0=a

intilally ans =0
we do ans=ans^no; every time

ans=0^2=2
ans=2^2=0
ans=0^4=4;
ans=4^5;
ans=4^5^5=4
hence ans is 4

if you have more doubts regarding this feel free to ask
i hope this helps
if yes hit a like :heart:: and don’t forgot to mark doubt as resolved :grinning:

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#3

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