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  1. #include <iostream>
  2. #include <locale>
  3. #include <sstream>
  4.  
  5. using namespace std;
  6.  
  7. struct thousand_formater : numpunct<char>
  8. {
  9. 	// separate with spaces
  10.     char do_thousands_sep() const { return '.';  }
  11.  
  12.     // groups of 1 digit
  13.     string do_grouping() const { return "\03"; }
  14. };
  15.  
  16. int main()
  17. {
  18.     cout.imbue(locale(cout.getloc(), new thousand_formater));
  19.  
  20.     cout << 110 << endl;
  21.     cout << 1500 << endl;
  22.     cout << 13200 << endl;
  23.     cout << 500000 << endl;
  24.     cout << 99999999 << endl;
  25.  
  26.     // string
  27.     stringstream ss;
  28.     ss.imbue(locale(cout.getloc(), new thousand_formater));
  29.     ss << 89898989;
  30.  
  31.     string resultado = ss.str();
  32.  
  33.     cout << resultado << endl;
  34. }
Success #stdin #stdout 0.01s 5348KB
comments (?)
stdin 
Standard input is empty
stdout 
110
1.500
13.200
500.000
99.999.999
89.898.989
https://ideone.com/Ug8jXN
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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