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1000 - CNP
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==Rezolvare== <syntaxhighlight lang="python" line> #1000 CNP import re import os def extrage_cnp(text): regex = r'\b\d{13}\b' # căutăm grupuri de exact 13 cifre return re.findall(regex, text) def verifica_date_intrare(nume_fisier): if not os.path.exists(nume_fisier): return False if not os.path.isfile(nume_fisier): return False if not os.access(nume_fisier, os.R_OK): return False return True def main(): nume_fisier_intrare = 'cnp.in' nume_fisier_iesire = 'cnp.out' if not verifica_date_intrare(nume_fisier_intrare): with open(nume_fisier_iesire, 'w') as fout: fout.write("Date invalide: Fisierul de intrare nu poate fi citit.") return # Verificare dacă fișierul de intrare este gol if os.path.getsize(nume_fisier_intrare) == 0: with open(nume_fisier_iesire, 'w') as fout: fout.write("Date invalide: Fisierul de intrare este gol.") return with open(nume_fisier_intrare, 'r') as fin: text = fin.read() cnp_list = extrage_cnp(text) if cnp_list: with open(nume_fisier_iesire, 'w') as fout: for cnp in cnp_list: fout.write(cnp + '\n') else: with open(nume_fisier_iesire, 'w') as fout: fout.write("0") if __name__ == "__main__": main() </syntaxhighlight>
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