Finding CB numbers

#1

I am getting error. I don’t know the reason.

#2

hello @div_yanshu07

u r getting that error becuase of empty string.
stoll function always takes non empty string as its argument.
if u will empty string then it will throw an error.

check this line->
image

#3

But everytime I am creating a substring. How it is still empty? please can you correct it.

#4

first iterate all 1 length substring , then all 2 length ,then 3 and so on.

start ur outer loop from [1…n]
and inner loop from 0.

try to correct it.
i will share ur updated code in sometime

#5

pls check ur updated code here->

apart from ur previous mistake.
u were not checking cb number correctly.

#6

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