fork download
copy 
  1. #include <iostream>
  2.  
  3. char* ch_duplicate(char* s, char c){
  4.         char* t = s, *p = s;
  5.         while(*p){
  6.                 if(*p != c || *(p + 1) != c)
  7.                         ++s;
  8.                 *s = *(++p);
  9.         }
  10.         return t;
  11. }
  12.  
  13.  
  14. int main(void){
  15.         char s[] = "   bla     -   bla   .    1   3 ";
  16.  
  17.         std::cout << s << std::endl;
  18.         std::cout << ch_duplicate(s, ' ') << std::endl;
  19.         return 0;
  20. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
   bla     -   bla   .    1   3 
 bla - bla . 1 3
https://ideone.com/SO0BkB
language:
C++ (gcc 8.3)
created:
8 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!