Question

Write a C++ program that inputs a single letter and prints out the corresponding digit on the telephone.
The letters and digits on a telephone are grouped this way:
2 = ABC 4 = GHI 6 = MNO 8 = TUV
3 = DEF 5 = JKL 7 = PRS 9 = WXY
No digits correspond to either Q or Z. For these two letters, your program should print a message
indicating that they are not used on a telephone. If a letter in lower case or a non-alphabetic character is
entered, your program should indicate that there is no matching digit for such character

Answer 1

prompt Enter a character:

read char

if entered character isAlpha and isUpper

then if(char==A or char==B or char==C)

        then print(2)

        else if(char==D or char==E or char==F)
        then print(3)

        else if(char==G or char==H or char==I)
        then print(4)

        else if(char==J or char==K or char==L)
        then print(5)

        else if(char==M or char==N or char==O)
        then print(6)

        else if(char==P or char==Q or char==R or char==S)
        then print(7)

        else if(char==T or char==U or char==V)
        then print(8)

        else if(char==W or char==X or char==Y OR char==Z)
        then print(9)

else

then...