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  1.  
  2.     #include <iostream>
  3.     #include <cstring>
  4.  
  5.     int main()
  6.     {
  7.     	char str[] = "Hello, my name is John";
  8.     	size_t len = strlen(str);
  9.     	size_t change_position = 0;
  10.  
  11.         // find the first space character
  12.     	for (change_position = 0; change_position < len; ++change_position)
  13.     		if (str[change_position] == ' ')
  14.     			break;  // found it
  15.  
  16.  
  17.     	if (change_position != len)  // if we found a space character
  18.     	{
  19.     		for (size_t check_position = change_position; check_position < len; ++check_position)
  20.     			if (str[check_position] != ' ')
  21.     			{
  22.     				str[change_position] = str[check_position];
  23.     				++change_position;
  24.     			}
  25.     	}
  26.     	str[change_position] = '\0';
  27.     	std::cout << str;
  28.     }
  29.  
  30.  
Success #stdin #stdout 0s 4244KB
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stdin
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Standard input is empty
stdout
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Hello,mynameisJohn
https://ideone.com/aPbry7
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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