Help with error

#1

prob: find first duplicate element

sol: https://ide.codingblocks.com/s/406324

trying using frequency array

#2

Hello @raghav007 your code is working fine.


Happy Learning!!

#3

It is not working here with vector

#4

working fine here also:


you have to cout the result.

#5

oh I forgot, but still the answer should be 3 and not 2.

#6

@raghav007 you are returning the frequency.
Return the element it will give 3 then.

#7

ohh thanks a lot, silly mistakes…

#8

Can you recommend of some website to practice problems on recursion

#9

first practice your portal problems then you can go for another problems on hackerblocks.
you can mark this as resolved.
Happy Learning!!

#10

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