Smart keypad - advanced

#1

bhaiya ye ques me (26,coding) wala test case smjhana

#2

2 - abc
6 - mno
So strings produced by 26 are am, an , ao, bm, bn, bo, cm, cn, co and you have only one string that is coding which contains “co” produced by 26.
That’s why the answer is coding for input 26 and given string coding.

#3

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