Write a recursive function int count (int n), statistics, any positive integer n digits, in the main function of the input integer m, then calls the recursive function to output results,

CodePudding user response:

 # include & lt; Stdio. H> 

Int count (int n); 

Int main () 
{
Int m; 

The scanf (" % d ", & amp; M); 

Printf (" % d \ n ", the count (m)); 
return 0; 
} 

Int count (int n) 
{
Static int bit; 
If (n==0) 
return 0; 
Bit++; 
Count (n/10); 

Return bit; 
} 

For your reference ~

CodePudding user response:

Int count (int n)
{
Return n & lt; 10? 1: the count (n/10) + 1;
}