For example, if the input is 26 and the string is coding, then output should be coding since 26 can produce co which is contained in coding.
💡 Smart Keypad - Advanced how is 26 equal to co? pls expln
hey @khushipriya681, if you check nokia keypad phones, 2 has a,b,c and 6 has m,n,o. With 26, possible combinations are am, an,ao,bm,bn,bo,cm,cn,co. co is one of the possible string with 26.