Smart Keypad -Advanced

#1

I didn’t get the sample input and ouput
and how 26 produce “co” .
Explanation is really poor and not clear…

#2

hey @Akashkumar, if you check old nokia phone, 2 has ABC and 6 has MNO, possible string from number 26 are AM,AN,AO,BM,BN,BO,CM,CN,CO. Thatswhy 26 produces CO.

#3

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