coin denomination

/* this programme displays the amount entered in digits to words*/
#include<stdio.h>

#include<stdlib.h>

#include<conio.h>

double total();

int readNocoins(char str[]);

double denomination(double);

void crores(int,char[][12]);

void lakhs(int,char[][12]);

void thousands(int,char[][12]);

void hundreds(int,char[][12]);

void tens(int,char[][12]);

int main() /* MAIN FUNCTION */

{

double dsum,dcount10rs;

clrscr();

dsum=total();

printf("TOTAL RUPEES=%lf\n",dsum);

denomination(dsum);

getch();

}

double total()

{

int icount5ps,icount10ps,icount20ps,icount25ps,icount50ps,icount1rs,icount2rs,icount5rs,icount10rs;

char ccount[10];

printf("\nenter the count of 5ps\n");

scanf("%s",ccount);

icount5ps=readNocoins(ccount);

printf("\nenter the count of 10ps\n"); scanf("%s",ccount);

icount10ps=readNocoins(ccount);

printf("\nenter the count of 20ps\n");

scanf("%s",ccount);

icount20ps=readNocoins(ccount);

printf("\nenter the count of 25ps\n");

scanf("%s",ccount);

icount25ps=readNocoins(ccount);

printf("\nenter the count of 50ps\n");

scanf("%s",ccount);

icount50ps=readNocoins(ccount);

printf("\nenter the count of 1rs\n");

scanf("%s",ccount);

icount10rs=readNocoins(ccount);

return ((icount5ps)*.05)+((icount10ps)*.10)+((icount20ps)*.20)+((icount25ps)*.25)+((icount50ps)*.50)+((icount1rs)*1)+((icount2rs)*2)+((icount5rs)*5)+((icount10rs)*10);

}

int readNocoins(char str[])

{

int iindex=0;

while(str[iindex]!='\0')

{

if(!isdigit(str[iindex]))

{

printf("\nERROR: INVALID INPUT.\nTRY AGAIN\n");

exit(0);

}

iindex++;

}

return(atoi(str));

}

double denomination(double dsum) /* FUNCTION TO PRINT THE DENOMINATION IN WORDS */

{

char inwords[][12]={"one","two","three","four","five","six","seven","eight","nine","ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen"};

int idecimal,itemp,ifraction;

itemp=idecimal=dsum;

ifraction=(dsum-idecimal)*100;

crores(idecimal%1000000000,inwords);

lakhs(idecimal%10000000,inwords);

thousands(idecimal%100000,inwords);

hundreds(idecimal%1000,inwords);

if(idecimal%1000&&idecimal%100&&idecimal/10)

printf("and");

tens(idecimal%100,inwords);

if(idecimal/1)

printf(" rupees ");

if(ifraction)

{

tens(ifraction,inwords);

81,1 39%

printf(" paise ");

}

printf(" only\n");

}

void tens(int ten,char inwords[][12]) /* FUNCTION TO PRINT THE TENS PART OF THE TOTAL IN WORDS */

{

int iones,itens;

iones=ten%10;

itens=ten-iones;

switch(itens)

{

case 20:printf(" twenty ");

break;

case 30:printf(" thirty ");

break;

case 40:printf(" fourty ");

break;

case 50:printf(" fifty ");

break;

case 60:printf(" sixty ");

break;

case 70:printf(" seventy ");

break;

case 80:printf(" eighty ");

break;

case 90:printf(" ninety ");

break;

}

if(ten<20&&ten)

{

printf(" %s ",inwords[ten-1]);

}

else if(iones)

{

printf(" %s ",inwords[iones-1]);

}

}

}

void hundreds(int hundred,char inwords[][12]) /* FUNCTION TO PRINT THE HUNDREDS PART OF THE TOTAL IN WORDS */

{

tens(hundred/100,inwords);

if(hundred/100)

{

printf(" hundred ");

}

}

void thousands(int thousand,char inwords[][12]) /* FUNCTION TO PRINT THE THOUSANDS PART OF THE TOTAL IN WORDS */

{

tens(thousand/1000,inwords);

if(thousand/1000)

{

printf(" thousand ");

}

}

void lakhs(int lakh,char inwords[][12]) /* FUNCTION TO PRINT THE LAKHS PART OF THE TOTAL IN WORDS */

{

tens(lakh/100000,inwords);

if(lakh/100000)

{

printf(" lakhs ");

}

}

void crores(int crore,char inwords[][12]) /* FUNCTION TO PRINT THE CRORES PART OF THE TOTAL IN WORDS */

{

tens(crore/10000000,inwords);

if(crore/10000000)

{

printf(" crores ");

}

}