fork download
copy 
  1.  
  2.  
  3. #include <iostream>
  4. using namespace std;
  5.  
  6. int countNum(int n,int d){
  7.     if(n==0)
  8.         return d;
  9.     else
  10.         return countNum(n/10,d++);
  11. }
  12. int main(){
  13.     int n;
  14.     cout<<"Enter number"<<endl;
  15.     cin>>n;
  16.     int x=countNum(n, 0);
  17.     cout<<x;
  18.     return 0;
  19. }
  20.  
  21.  
Success #stdin #stdout 0s 3300KB
comments (?)
stdin
copy 
432
stdout
copy 
Enter number
0
https://ideone.com/PtzCKU
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!