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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     size_t i, j, len;
  8.     string str, str2;
  9.  
  10.     cout << "Enter string: ";
  11.     getline(cin, str);
  12.  
  13.     str2 = str;
  14.     len = str2.length();
  15.  
  16.     i = 0;
  17.     while (i < len)
  18.     {
  19.         if (str2[i] == ' ')
  20.         {
  21.             for (j = i + 1; j < len; ++j)
  22.             {
  23.                 str2[j - 1] = str2[j];
  24.             }
  25.             --len;
  26.         }
  27.         else
  28.             ++i;
  29.     }
  30.  
  31.     str2.resize(len);
  32.  
  33.     cout << str2 << endl;
  34.  
  35.     //system("pause");
  36.     return 0;
  37. }
Success #stdin #stdout 0s 4360KB
comments (?)
stdin
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Hello World    is this working?
stdout
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Enter string: HelloWorldisthisworking?
https://ideone.com/U6T1Md
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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