Regarding the error in code

#1
#2

Hey @gargshivam2001
dont use the pow function because it can lead to overflow so instead calculate power using a loop and if it exceeds n then break.

#3


what is the error now???

#4

Hey @gargshivam2001

		unsigned long long int str=1; //updated this line
#5

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#6

Screenshot (439)
Screenshot (439)1920×1080 219 KB

what we actually have to do ???
just to found xor of two nos.

#7

please explain it sir
with example

#8

Hey @gargshivam2001
This is a different question so open another doubt for the samw