How to aacount for negative numbers in the given question

#1

prateek bhaiyas way works only for positive numbers please tell how to account for negative nuymbers

#2

Hey @harryson can you elaborate which number are you taking about, base, exponent or mod.

#3

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#4

please help as i have got no replies

#5

hey @harryson if the base is negative then perform the regular modular exponentiation and if the exponent is even the answer would remain the same else multiply the answer with -1 and do ans = (ans + mod)%mod