Each number on telephone keypads, except 0 and 1, corresponds to a set of uppercase letters as shown in this list: 2 ABC, 3 DEF, 4 GHI, 5 JKL, 6 MNO, 7 PQRS, 8 TUV, 9 WXYZ Hence, a phone-number specification can include uppercase letters and digits. Write a function called dial that takes as its input argument a char vector of length 16 or less that includes only these characters and returns as its output argument the telephone number as a uint64.
*Here is the input and output for one example of a call of the function:
Input: '1FUNDOG4YOU' Output: 13863644968* You can assume that a phone number never starts with 0. If the input contains any illegal characters, the function returns 0.
Hard-coded Solution 1546791 is around half the size of a true (general) submission like Solution 1546790, which demonstrates that you need to include more test cases in your Test Suite.
best solution so far! the way you handle the complexity of multiple conditions, is rather instructive. it perfectly demonstrate how to command the usage of function and command it in detail.
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