All test cases are not passing

#1


what is wrong with this code of mine i think my logic is totally fine the only thing is whether i am using mod correctly or not??

#2

hello @Shobhit_kumar
image

correct this line.
use this property ->
(a-b)%mod= (a-b+mod)%mod

#3

oohh yes sir the answer might come negative…thank you so much

#4

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