Number to Word Converter is a small program to show numbers in their word form. In many systems, numerical data needs to be represented into the words. We can take example of cheques the amount is written in both digits(numerical) and words. This program is created in purely C language, Basically it takes input in number and then show its word form.
Some Examples are as follows :
- 799 = Seven Hundred Ninety Nine.
- 1009 = One Thousand Nine.
- 0018 = Eighteen.
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/* Author - Nisar Ahmed Description: Converts a number to word form. Input - Number in digits Output - Number in words */ #include< stdio.h> #include< conio.h> #include< stdlib.h> #include< string.h> char word[100]=""; char *oneDigit[10] = {"","One ","Two ","Three ","Four ","Five ","Six ","Seven ","Eight ","Nine "}; char *teenNumbers[10] = {"Ten ","Eleven ","Tweleve ","Thirteen ","Fourteen ","Fifteen ","Sixteen ","Seventeen ","Eighteen ","Nineteen "}; char *twoDigit[10] = {"","","Twenty ","Thirty ","Fourty ","Fifty ","Sixty ","Seventy ","Eighty ","Ninety "}; int check(char *c); char * cutter(char *c,int start); char * subString(char *str,int start,int end); char *Toword799(char *c); void shownum(char *p); void main(){ char *num,ch; int i; textbackground(RED); textcolor(WHITE); clrscr(); do{ clrscr(); window(1,1,80,25); gotoxy(20,8); printf("#########################################"); gotoxy(20,9); printf("#### 799 Web Nixar's Creation ####"); gotoxy(20,10); printf("####---------------------------------####"); gotoxy(20,11); printf("#### Number to Word Converter ####"); gotoxy(20,12); printf("#########################################"); gotoxy(20,13); printf("## ##"); gotoxy(20,14); printf("## 1 => Enter Number ##"); gotoxy(20,15); printf("## 2 => Exit ##"); gotoxy(20,16); printf("## ##"); gotoxy(20,17); printf("## Enter Choice ##"); gotoxy(43,17); scanf("%c",&ch); switch(ch){ case '1': gotoxy(20,18); printf("## Enter Number ##"); gotoxy(43,18); scanf("%s",num); if(check(num)==0){ shownum(Toword799(num)); strcpy(word,""); }else{ gotoxy(27,19); printf("Please ensure that you entered\n"); gotoxy(27,20); printf("a number between 0-999999999!!!"); getch(); } break; case '2':exit(0); break; default:main(); } }while(1); getch(); } // Functio for the validation int check(char *c){ int flag=0,i; if(strlen(c) > 9){ return 1; } for(i=0;i< strlen(c);i++){ if(!(c[i]> = '0' && c[i] < ='9')) flag=1; } return flag; } // Return sub string from given start Index to the end of string. char * cutter(char *c,int start){ char *p; int i; for(i=0;i< strlen(c)-start;i++) p[i]=c[i+start]; p[i]='\0'; return p; } // Return sub string from given start index to end Index. char * subString(char *str, int start,int end){ char *substr; int i,j; for(j=0,i=start;i < end;i++,j++) substr[j] = str[i]; substr[j] = '\0'; return substr; } // Recursive Method to create word conversion of the given number. char* Toword799(char *num){ if(strlen(num)==9){ if(num[0]=='1'){ char *numberInString = subString(num,1,2); int indexOfDigit = atoi(numberInString); strcat(word,teenNumbers[indexOfDigit]); }else{ char *numberInString = subString(num,0,1); int indexOfDigit = atoi(numberInString); strcat(word,twoDigit[indexOfDigit]); numberInString = subString(num,1,2); indexOfDigit = atoi(numberInString); strcat(word,oneDigit[indexOfDigit]); } if(num[0]=='0' && num[1]=='0'){ }else{ strcat(word,"Crore "); } num = cutter(num,2); Toword799(num); }else if(strlen(num)==8){ char *numberInString = subString(num,0,1); int indexOfDigit = atoi(numberInString); strcat(word,oneDigit[indexOfDigit]); if(num[0]=='0'){ }else{ strcat(word,"Crore "); } num = cutter(num,1); Toword799(num); }else if(strlen(num)==7){ if(num[0]=='1'){ char *numberInString = subString(num,1,2); int indexOfDigit = atoi(numberInString); strcat(word,teenNumbers[indexOfDigit]); }else{ char *numberInString = subString(num,0,1); int indexOfDigit = atoi(numberInString); strcat(word,twoDigit[indexOfDigit]); numberInString = subString(num,1,2); indexOfDigit = atoi(numberInString); strcat(word,oneDigit[indexOfDigit]); } if(num[0]=='0' && num[1]=='0'){ }else{ strcat(word,"Lacs "); } num = cutter(num,2); Toword799(num); }else if(strlen(num)==6){ char *numberInString = subString(num,0,1); int indexOfDigit = atoi(numberInString); strcat(word,oneDigit[indexOfDigit]); if(num[0]=='0'){ }else{ strcat(word,"Lacs "); } num = cutter(num,1); Toword799(num); }else if(strlen(num)==5){ if(num[0]=='1'){ char *numberInString = subString(num,1,2); int indexOfDigit = atoi(numberInString); strcat(word,teenNumbers[indexOfDigit]); }else{ char *numberInString = subString(num,0,1); int indexOfDigit = atoi(numberInString); strcat(word,twoDigit[indexOfDigit]); numberInString = subString(num,1,2); indexOfDigit = atoi(numberInString); strcat(word,oneDigit[indexOfDigit]); } if(num[0]=='0' && num[1]=='0'){ }else{ strcat(word,"Thousand "); } num = cutter(num,2); Toword799(num); }else if(strlen(num)==4){ char *numberInString = subString(num,0,1); int indexOfDigit = atoi(numberInString); strcat(word,oneDigit[indexOfDigit]); if(num[0]=='0'){ }else{ strcat(word,"Thousand "); } num = cutter(num,1); Toword799(num); }else if(strlen(num)==3){ char *numberInString = subString(num,0,1); int indexOfDigit = atoi(numberInString); strcat(word,oneDigit[indexOfDigit]); if(num[0]=='0'){ }else{ strcat(word,"Hundred "); } num = cutter(num,1); Toword799(num); }else if(strlen(num)==2){ if(num[0]=='1'){ char *numberInString = subString(num,1,2); int indexOfDigit = atoi(numberInString); strcat(word,teenNumbers[indexOfDigit]); }else{ char *numberInString = subString(num,0,1); int indexOfDigit = atoi(numberInString); strcat(word,twoDigit[indexOfDigit]); numberInString = subString(num,1,2); indexOfDigit = atoi(numberInString); strcat(word,oneDigit[indexOfDigit]); } num = cutter(num,2); Toword799(num); }else if(strlen(num)==1){ char *numberInString = subString(num,0,1); int indexOfDigit = atoi(numberInString); strcat(word,oneDigit[indexOfDigit]); num = cutter(num,1); Toword799(num); }else{ if(strcmp(word,"")==0){ strcat(word,"Zero"); }else{ return word; } } return word; } // Function to show the converted word of the number void shownum(char *p){ textbackground(BLUE); textcolor(WHITE); clrscr(); window(10,13,70,16); cprintf("%s",p); getch(); } |