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  1. #include <iostream>
  2. #include <string>
  3. #include <sstream>
  4. #include <iomanip>
  5. #include <algorithm>
  6. using namespace std;
  7.  
  8. const char* safe_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._~!$&'()*+,;=:@/";
  9.  
  10. int main()
  11. {
  12.     string str = "C:\\user\\ali baba";
  13.     replace(str.begin(), str.end(), '\\', '/');
  14.  
  15.     string::size_type pos = 0;
  16.     while ((pos = str.find_first_not_of(safe_chars, pos)) != string::npos)
  17.     {
  18.         ostringstream oss;
  19.         oss << '%' << hex << noshowbase << uppercase << (int) str[pos];
  20.         string newvalue = oss.str();
  21.         str.replace(pos, 1, newvalue);
  22.         pos += newvalue.size();
  23.     }
  24.     str = "file:///" + str;
  25.     cout << str;
  26.     return 0;
  27. }
Success #stdin #stdout 0s 4352KB
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stdin
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Standard input is empty
stdout
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file:///C:/user/ali%20baba
https://ideone.com/QdKdG7
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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