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Nov 19th, 2017
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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace std;
  5.  
  6. bool dni_es_correcto(string dni) {
  7. string letras = ”TRWAGMYFPDXBNJZSQVHLCKE”;
  8.  
  9. if (dni.size() == 8) {
  10. char letra = toupper(dni[dni.size()-1]);
  11. string digitos = "";
  12. for(int i = 0; i < dni.size() - 1; i++) {
  13. digitos += dni[i];
  14. }
  15.  
  16. if (letra == letras[stoi(digitos) % 23]) {
  17. return true;
  18. }
  19. }
  20. return false;
  21. }
  22.  
  23. int main() {
  24. string dni;
  25. cin >> dni;
  26.  
  27. cout << dni_es_correcto(dni) << endl;
  28. }
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