# include & lt; Stdio. H>
# include & lt; Ctype. H>
Int main () {
int i=0;
Char ch;
Int letter_g;
Char letter [I];
Printf (" enter the phone number: ");
for(; (letter [I]=getchar ()!='\ n'); I++) {
For (ch='A'; Ch<='Y' Ch++) {
If (toupper (letter [I])==ch& & Ch! ) {
='Y'Letter_g=ch - 'A';
Letter [I]=letter_g * 3 + '2';
}
If (toupper (letter [I])=='Y') {
Letter [I]='9'.
}
}
}

for(int j=0; jPrintf (" % c ", the letter [j]);
}
printf("\n");
return 0;
}

CodePudding user response:

The char first letter [I] into a letter [15], let's see other problems