Range xor problem

#1

why we have to do L-1 and R-1?

#2

hello @Rakshitgarg99
given l and r given for 1 based indexing (ex -> 1st element is at index 1).
but we r using 0 based indexxing and that is why we are subtracting -1 from both L and R

#3

ok thanks please look in this problem too Digital Dictionary

#4

SOME OTHER TA is taking that doubt

#5

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