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  1. #include <iostream>
  2.     #include <iostream>
  3.  
  4.     char* skip_if( char* s, const char* ss )
  5.     {
  6.       char* p = s;
  7.       const char* pp = ss;
  8.       while( *p && *pp && *p == *pp )
  9.         p++, pp++;
  10.       return *pp ? s : p;
  11.     }
  12.  
  13.     void remove( char* s, const char* ss )
  14.     {
  15.       char *ps = s; // source
  16.       char *pd = s; // destination
  17.       while( *ps )
  18.       {
  19.         ps = skip_if( ps, ss );
  20.         *pd++ = *ps++;
  21.       }
  22.       *pd = 0;
  23.     }
  24.  
  25.     int main()
  26.     {
  27.       using namespace std;
  28.  
  29.       char str[] = "this that there this that there";
  30.       const char* substr = "th";
  31.       remove( str, substr );
  32.  
  33.       cout << str;
  34.  
  35.       return 0;
  36.     }
  37.  
Success #stdin #stdout 0s 15232KB
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Standard input is empty
stdout
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is at ere is at ere
https://ideone.com/erEhHe
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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