![]() Do not write a maint) program or any testing code! Example Method Argument Expected Method Return Value "papajohns" "727256467" 1 2. 5) Please complete only the required method. 4) Your algorithm should have time complexity of O(n), where n is the size of the input string. 3) Your probably need to choose an appropriate data structure to help you solve the problem. 2) The return value of your method should be a string that contains digits only. The input string could be an empty string. 1) The input English word is a string that is guaranteed to contain lowercase letters only. In this question, please write a method that finds (and returns) the corresponding digit sequence in a typical cell phone keypad for a given English word. For example, an interior decorator might license the telephone number 1-80, but advertise it as the more memorable phoneword 1-800-PAINTER. This corresponding relationship between digits and letters have been used, mainly in the United States, as a technique for remembering telephone numbers easily. number/symbol keypad and then enter desired numbers. The keyboard has a number and letters on the same key, how do I get the keyboard to input the letters please This is referring to the keyboard used for dialling btw, not texting Thank you. 2) The return value of your method should be a string that contains digits only. Huawei Mobile Phones Manual Online: entering letters, Entering Numbers. 1 2 abc 3 def 5 6 4 ghi jkl mno 7 pers 8 tuv 9 wxyz * O # This corresponding relationship between digits and letters have been used, mainly in the United States, as a technique for remembering telephone numbers easily. In a typical cell phone keypad, each digit (from 2 to 9) corresponds to some letters (see below).
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