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Please somebody explain it to me i really want to learn it

ak007htp (7)
Write your question here.

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#include<iostream.h>
#include<conio.h>
void single(int);
void ten2ninety(int);
void elev2nine(int);
void dig2word(int);
void main()
{
clrscr();
int a;
cout<<"\n Enter a number\n";
cin>>a;
dig2word(a);
getch();
}
void dig2word(int y)
{
int s=y,ctr=0,ldig,sdig,l2dig,l3dig,l3rddig;
while(y>0)
{
y=y/10;
++ctr;
}
if(ctr==1)
{
single(s);
return;
}
else if(ctr==2)
{
ldig=s%10;
s=s/10;
sdig=s%10;
 if(ldig==0)
 {
   ten2ninety(sdig);
   return;
 }
 if(sdig==1)
 {
 elev2nine(ldig);
 return;
 }
ten2ninety(sdig);
single(ldig);
return;
}
       else if(ctr==3)
       {
l2dig=s%100;
s=s/100;
sdig=s%10;
if(l2dig==0)
{
single(sdig);
cout<<" Hundred";
return;
}
else
{
single(sdig);
cout<<" Hundred";
dig2word(l2dig);
return;
}
       }
       else if(ctr==4)
       {
l3dig=s%1000;
s=s/1000;
sdig=s%10;
if(l3dig==0)
{
single(sdig);
cout<<" Thousand";
return;
}
else
{
single(sdig);
cout<<" Thousand";
dig2word(l3dig);
return;
}
       }
      else if(ctr==5)
       {
l2dig=s%100;
l3dig=s%1000;
s=s/100;
l3rddig=s%10;
s=s/10;
if(l2dig==0&&l3rddig==0)
{
dig2word(s);
cout<<"Thousand";
return;
}
dig2word(s);
cout<<"Thousand";
dig2word(l3dig);
return;
       }
}
void single(int x)
{
 switch(x)
 {
  case 0:cout<<" Zero ";break;
  case 1:cout<<" One ";break;
  case 2:cout<<" Two ";break;
  case 3:cout<<" Three ";break;
  case 4:cout<<" Four ";break;
  case 5:cout<<" Five ";break;
  case 6:cout<<" Six ";break;
  case 7:cout<<" Seven ";break;
  case 8:cout<<" Eight ";break;
  case 9:cout<<" Nine ";break;
 }
}
void elev2nine(int x)
{
 switch(x)
 {
  case 1:cout<<" Eleven ";break;
  case 2:cout<<" Tweleve ";break;
  case 3:cout<<" Thirteen ";break;
  case 4:cout<<" Fourteen ";break;
  case 5:cout<<" Fifteen ";break;
  case 6:cout<<" Sixteen ";break;
  case 7:cout<<" Seventeen ";break;
  case 8:cout<<" Eighteen ";break;
  case 9:cout<<" Nineteen ";break;
 }
}
void ten2ninety(int x)
{
 switch(x)
 {
  case 1:cout<<" Ten ";break;
  case 2:cout<<" Twenty ";break;
  case 3:cout<<" Thirty ";break;
  case 4:cout<<" Forty ";break;
  case 5:cout<<" Fifty ";break;
  case 6:cout<<" Sixty ";break;
  case 7:cout<<" Seventy ";break;
  case 8:cout<<" Eighty ";break;
  case 9:cout<<" Ninety ";break;
 }
}
Pter0dactyl (196)
Whats there that creating problem for you? Is it not running, wrong output or you dont understand it?
If you dont understand this, I'd advise you to learn about functions.
ak007htp (7)
i know about functions but i have a problem with 
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int s=y,ctr=0,ldig,sdig,l2dig,l3dig,l3rddig;
while(y>0)
{
y=y/10;
++ctr;
}
if(ctr==1)
{
single(s);
return;
}
else if(ctr==2)
{
ldig=s%10;
s=s/10;
sdig=s%10;
 if(ldig==0)
 {
   ten2ninety(sdig);
   return;
 }
 if(sdig==1)
 {
 elev2nine(ldig);
 return;
 }
ten2ninety(sdig);
single(ldig);
return;
}
       else if(ctr==3)
       {
l2dig=s%100;
s=s/100;
sdig=s%10;
if(l2dig==0)
{
single(sdig);
cout<<" Hundred";
return;
}
else
{
single(sdig);
cout<<" Hundred";
dig2word(l2dig);
return;
}
       }
       else if(ctr==4)
       {
l3dig=s%1000;
s=s/1000;
sdig=s%10;
if(l3dig==0)
{
single(sdig);
cout<<" Thousand";
return;
}
else
{
single(sdig);
cout<<" Thousand";
dig2word(l3dig);
return;
}
       }
      else if(ctr==5)
       {
l2dig=s%100;
l3dig=s%1000;
s=s/100;
l3rddig=s%10;
s=s/10;
if(l2dig==0&&l3rddig==0)
{
dig2word(s);
cout<<"Thousand";
return;
}
dig2word(s);
cout<<"Thousand";
dig2word(l3dig);
return;
       }
}
Last edited on
ak007htp (7)
basically i have a problem with each mathematical portion
for example }
else if(ctr==5)
{
l2dig=s%100;
l3dig=s%1000;
s=s/100;
l3rddig=s%10;
s=s/10;
if(l2dig==0&&l3rddig==0)
amirtork (48)
Wow!
The name of variables of this code is really Bad! try to fix them!
Maybe i will get headache if i want to read this code!
Codermik (835)

You should use indentation correctly, its quite hard to follow your code.
ak007htp (7)
just explain to me mathematical portion i mean why dividing an taking "mod" of number entered by user
ak007htp (7)
Modified.........
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//ones,tenths,hundredths,thousandths,tenthousandths,hundredthousandths
#include<iostream.h>
#include<conio.h>
void single(int);
void ten2ninety(int);
void elev2nine(int);
void dig2word(int);
void main()
{
	
	int a;
	cout<<"\n Enter a number\n";
	cin>>a;
	dig2word(a);
	getch();
}
void dig2word(int y)
{			
	int s=y,ctr=0,ones,tenths,hundredths,thousandths,tenthousandths;
	while(y>0)
		
	{
		y=y/10;
		++ctr;
	}
	if(ctr==1)
	{
		single(s);
		return;
	}
	else if(ctr==2)
	{
		ones=s%10;
		s=s/10;
		tenths=s%10;
		if(ones==0)
		{
			ten2ninety(tenths);
			return;
		}
		if(tenths==1)
		{
			elev2nine(ones);
			return;
		}
		ten2ninety(tenths);
		single(ones);
		return;
	}
	else if(ctr==3)
	{
		hundredths=s%100;
		s=s/100;
		tenths=s%10;
		if(hundredths==0)
		{
			single(tenths);
			cout<<" Hundred";
			return;
		}
		else
		{
			single(tenths);
			cout<<" Hundred";
			dig2word(hundredths);
			return;
		}
	}
	else if(ctr==4)
	{
		thousandths=s%1000;
		s=s/1000;
		tenths=s%10;
		if(thousandths==0)
		{
			single(tenths);
			cout<<" Thousand";
			return;
		}
		else
		{
			single(tenths);
			cout<<" Thousand";
			dig2word(thousandths);
			return;
		}
	}
	else if(ctr==5)
	{
		hundredths=s%100;
		thousandths=s%1000;		
		s=s/100;			
		tenthousandths=s%10;
		s=s/10;
		if(hundredths==0&&tenthousandths==0)
		{
			dig2word(s);
			cout<<"Thousand";
			return;
		}
		dig2word(s);
		cout<<"Thousand";
		dig2word(thousandths);
		return;
	}
}
void single(int x)
{
	switch(x)
	{
	case 0:cout<<" Zero ";break;
	case 1:cout<<" One ";break;
	case 2:cout<<" Two ";break;
	case 3:cout<<" Three ";break;
	case 4:cout<<" Four ";break;
	case 5:cout<<" Five ";break;
	case 6:cout<<" Six ";break;
	case 7:cout<<" Seven ";break;
	case 8:cout<<" Eight ";break;
	case 9:cout<<" Nine ";break;
	}
}
void elev2nine(int x)
{
	switch(x)
	{
	case 1:cout<<" Eleven ";break;
	case 2:cout<<" Tweleve ";break;
	case 3:cout<<" Thirteen ";break;
	case 4:cout<<" Fourteen ";break;
	case 5:cout<<" Fifteen ";break;
	case 6:cout<<" Sixteen ";break;
	case 7:cout<<" Seventeen ";break;
	case 8:cout<<" Eighteen ";break;
	case 9:cout<<" Nineteen ";break;
	}
}
void ten2ninety(int x)
{
	switch(x)
	{
	case 1:cout<<" Ten ";break;
	case 2:cout<<" Twenty ";break;
	case 3:cout<<" Thirty ";break;
	case 4:cout<<" Forty ";break;
	case 5:cout<<" Fifty ";break;
	case 6:cout<<" Sixty ";break;
	case 7:cout<<" Seventy ";break;
	case 8:cout<<" Eighty ";break;
	case 9:cout<<" Ninety ";break;
	}
}
ak007htp (7)
amirtork and Softrix i changed names of variables .now i hope you guy's will better understand it........................if u can explain it to me please
Last edited on
Codermik (835)

Do you know how modulus works?

Lets assume I entered the value 10531, modulus is used to find out how many thousands, hundreds, tens etc., and is used to breakdown your integer.

So take this example..

hundredths = s % 100; is simply performing a calculation to determine what the remainder is, so 10531 / 100 = 105 remainder 31 (so here you can see what's below 100 i.e. 31).

You then do this for the thousands, tens etc.
ak007htp (7)
oh , Thank you soooo much......... Softrix!
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