CodePudding user response:

It seems that must use an array,
Related functions: atoi, itoa

CodePudding user response:

Now that are limited in the positive integer, out over directly to die for your data, and then find an order (or don't need to sort)

CodePudding user response:

For your reference

 
# include & lt; stdio.h> 
# define ARRLEN 10 

Int main () 
{
Int I, j=0, n, k; 
Int a [ARRLEN]={0}; 
Printf (" please enter an integer: \ n "); 
The scanf (" % d ", & amp; N); 

I=n; 
//determine the input integer digit 
While (I) 
{
j++; 
I/=10; 
} 

//remove the individual bits of digital 
I=0; 
For (k=0; k{
I=n % 10; 
A [k]=I; 
N/a=10; 
} 

Printf (" output every: \ n "); 
For (k=j - 1; K>=0; K -) 
{
Printf (" % d ", a [k]); 
} 

Printf (" \ n reverse output every: \ n "); 
For (k=0; k{
Printf (" % d ", a [k]); 
} 

return 0; 
} 

CodePudding user response:

Use digits log10, other nothing difficult