Converting two digit number to words using switch statement
The question says to write a program asking the user to enter 2 digit number, then prints the English word for it. Suppose you enter \'41\' the printf function prints out \'
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@user2409559 , @Dinever; First,no need of % in ur code as u are taking i/p as first and second digits. Second your code is incomplete. Enter a number b/w 10 to 19 and see the o/p.
I am posting my code below.......take a look.
#include <stdio.h> #include <conio.h> int main() { int num,n,r; printf("Enter a two-digit number: "); scanf("%d",&num); n = num/10; r = num%10; switch(n) { case 1: switch(r) { case 0: printf("Ten"); break; case 1: printf("Eleven"); break; case 2: printf("Twelve"); break; case 3: printf("Thirteen"); break; case 4: printf("Fourteen"); break; case 5: printf("Fifteen"); break; case 6: printf("Sixteen"); break; case 7: printf("Seventeen"); break; case 8: printf("Eighteen"); break; case 9: printf("Nineteen"); } break; case 2: printf("Twenty-"); break; case 3: printf("Thirty-"); break; case 4: printf("Fourty-"); 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; } if(n != 1) { switch(r) { 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; default: ; } } getch();}
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#include <stdio.h> int main(void) { int num; printf("Enter a two digit number: "); scanf("%d",&num); if(num>10 && num<20){ badnums(num); } else{ goodnums(num); } return 0; } void goodnums(int num){ switch(num % 10) { case 0: break; case 1: printf("ten"); break; 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; } switch(num / 10) { case 0: break; 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; } } void badnums(int num){ //handle the numbers here 11-19 }讨论(0) -
Quick and Dirty
#include <stdio.h> int main(void) { int first_digit, second_digit; printf("Enter two digits: "); scanf("%1d%1d",&first_digit,&second_digit); if (first_digit == 1) { switch(second_digit % 10) { case 0: printf(" ten"); break; case 1: printf(" eleven"); break; case 2: printf(" twelve"); break; case 3: printf(" thirteen"); break; case 4: printf(" fourteen"); break; case 5: printf(" fifteen"); break; case 6: printf(" sixteen"); break; case 7: printf(" seventeen"); break; case 8: printf(" eighteen"); break; case 9: printf(" ninteen"); break; } return 0; } switch(first_digit % 10) { case 1: printf("ten"); break; 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; } switch(second_digit % 10) { case 0: break; 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; }讨论(0) -
Try this:
[0] [ishpeck@yoshimitsu digit]$ cat main.c #include <stdio.h> #include <string.h> #include <stdlib.h> void teens(int number) { switch(number) { case 11: printf("eleven"); break; case 12: printf("twelve"); break; case 13: printf("thirteen"); break; case 14: printf("fourteen"); break; case 15: printf("fifteen"); break; case 16: printf("sixteen"); break; case 17: printf("seventeen"); break; case 18: printf("eighteen"); break; case 19: printf("nineteen"); break; default: printf("ten"); } } void donums(int number) { switch(number/10) { case 1: return teens(number); case 2: printf("twenty"); break; case 3: printf("thirt"); break; case 4: printf("fourt"); break; case 5: printf("fift"); break; case 6: printf("sixt"); break; case 7: printf("sevent"); break; case 8: printf("eighty"); break; case 9: printf("ninety"); break; } switch(number%10) { 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; } } int main(void) { int number; printf("Enter two digit number.\n"); scanf("%d", &number); donums(number); printf("\n"); return 0; } [0] [ishpeck@yoshimitsu digit]$ gcc --version gcc (GCC) 4.7.1 Copyright (C) 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. [0] [ishpeck@yoshimitsu digit]$ gcc -o digits main.c [0] [ishpeck@yoshimitsu digit]$ for x in {10..99}; do echo $x | ./digits; done Enter two digit number. ten Enter two digit number. eleven Enter two digit number. twelve Enter two digit number. thirteen Enter two digit number. fourteen Enter two digit number. fifteen Enter two digit number. sixteen Enter two digit number. seventeen Enter two digit number. eighteen Enter two digit number. nineteen Enter two digit number. twenty Enter two digit number. twenty one Enter two digit number. twenty two Enter two digit number. twenty three Enter two digit number. twenty four Enter two digit number. twenty five Enter two digit number. twenty six Enter two digit number. twenty seven Enter two digit number. twenty eight Enter two digit number. twenty nine Enter two digit number. thirt Enter two digit number. thirt one Enter two digit number. thirt two Enter two digit number. thirt three Enter two digit number. thirt four Enter two digit number. thirt five Enter two digit number. thirt six Enter two digit number. thirt seven Enter two digit number. thirt eight Enter two digit number. thirt nine Enter two digit number. fourt Enter two digit number. fourt one Enter two digit number. fourt two Enter two digit number. fourt three Enter two digit number. fourt four Enter two digit number. fourt five Enter two digit number. fourt six Enter two digit number. fourt seven Enter two digit number. fourt eight Enter two digit number. fourt nine Enter two digit number. fift Enter two digit number. fift one Enter two digit number. fift two Enter two digit number. fift three Enter two digit number. fift four Enter two digit number. fift five Enter two digit number. fift six Enter two digit number. fift seven Enter two digit number. fift eight Enter two digit number. fift nine Enter two digit number. sixt Enter two digit number. sixt one Enter two digit number. sixt two Enter two digit number. sixt three Enter two digit number. sixt four Enter two digit number. sixt five Enter two digit number. sixt six Enter two digit number. sixt seven Enter two digit number. sixt eight Enter two digit number. sixt nine Enter two digit number. sevent Enter two digit number. sevent one Enter two digit number. sevent two Enter two digit number. sevent three Enter two digit number. sevent four Enter two digit number. sevent five Enter two digit number. sevent six Enter two digit number. sevent seven Enter two digit number. sevent eight Enter two digit number. sevent nine Enter two digit number. eighty Enter two digit number. eighty one Enter two digit number. eighty two Enter two digit number. eighty three Enter two digit number. eighty four Enter two digit number. eighty five Enter two digit number. eighty six Enter two digit number. eighty seven Enter two digit number. eighty eight Enter two digit number. eighty nine Enter two digit number. ninety Enter two digit number. ninety one Enter two digit number. ninety two Enter two digit number. ninety three Enter two digit number. ninety four Enter two digit number. ninety five Enter two digit number. ninety six Enter two digit number. ninety seven Enter two digit number. ninety eight Enter two digit number. ninety nine讨论(0) -
int main(void) { int first_digit, second_digit; printf("Enter two digits: "); scanf("%1d%1d",&first_digit,&second_digit); switch(first_digit % 10) { case 1: { switch(second_digit % 10) { case 0: printf(" ten"); break; case 1: printf(" eleven"); break; case 2: printf(" twelve"); break; case 3: printf(" thirteen"); break; case 4: printf(" fourteen"); break; case 5: printf(" fifteen"); break; case 6: printf(" sixteen"); break; case 7: printf(" seventeen"); break; case 8: printf(" eighteen"); break; case 9: printf(" ninteen"); break; } 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; } switch(second_digit % 10) { case 0: break; 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; }讨论(0)
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