C Program to Print the Two Digit number in Words

Write a C Program to print the two digit number in words

PROGRAM:

# include<stdio.h> 

int main(void)
{
    int num1, num2;

    printf("Enter a two-digit number: ");
    scanf("%1d%1d", &num1, &num2);

    printf("You have entered: ");

    // print word for the first digit
    switch (num1)
    {
        case 1:
            // special case for numbers between 11-19
            switch (num2)
            {
                case 0:
                    printf("ten");
                    return 0;
                case 1:
                    printf("eleven");
                    return 0;
                case 2:
                    printf("twelve");
                    return 0;
                case 3:
                    printf("thirteen");
                    return 0;
                case 4:
                    printf("fourteen");
                    return 0;
                case 5:
                    printf("fifteen");
                    return 0;
                case 6:
                    printf("sixteen");
                    return 0;
                case 7:
                    printf("seventeen");
                    return 0;
                case 8:
                    printf("eigthteen");
                    return 0;
                case 9:
                    printf("nineteen");
                    return 0;
            }
        case 2:
            printf("twenty");
            break;
        case 3:
            printf("thirty");
            break;
        case 4:
            printf("forty");
            break;
        case 5:
            printf("fifty");
            break;
        case 6:
            printf("sixty");
            break;
        case 7:
            printf("seventy");
            break;
        case 8:
            printf("eighty");
            break;
        case 9:
            printf("ninety");
            break;
    }

    // print word for the second digit
    switch (num2)
    {
        case 1:
            printf("-one");
            break;
        case 2:
            printf("-two");
            break;
        case 3:
            printf("-three");
            break;
        case 4:
            printf("-four");
            break;
        case 5:
            printf("-five");
            break;
        case 6:
            printf("-six");
            break;
        case 7:
            printf("-seven");
            break;
        case 8:
            printf("-eight");
            break;
        case 9:
            printf("-nine");
            break;
    }

    return 0;
}

OUTPUT:-

Enter a two-digit number: 87
You have entered: eighty-seven
--------------------------------
Process exited after 10.21 seconds with return value 0
Press any key to continue . . .