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1454 - Permutare Cuvant
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== Rezolvare == <syntaxhighlight lang="python" line> # functia de validare verifica daca datele de intrare sunt in intervalul specificat def validare(cuvant_validare): # verificam daca lungimea cuvantului este mai mica sau egala cu 20 if len(cuvant_validare) > 20: raise ValueError # ridicam o eroare daca lungimea cuvantului nu este in intervalul 0-20 for caracter in cuvant_validare: # parcurgem fiecare caracter din cuvant # verificam daca caracterul este o litera a alfabetului englezesc sau o cifra if not caracter.isalpha() and not caracter.isdigit(): raise ValueError file_out.write("Datele de intrare corespund restrictiilor impuse.\n") # functia permutari_circulare genereaza toate permutarile circulare ale unui cuvant def permutari_circulare(cuvant): # generam toate permutarile circulare ale cuvantului return [cuvant[i:] + cuvant[:i] for i in range(len(cuvant))] if __name__ == '__main__': file_in = open("permutarecuvantin.txt", "r") file_out = open("permutarecuvantout.txt", "w") try: # citim cuvantul cuvant_main = file_in.readline().strip() # validam datele de intrare validare(cuvant_main) # generam toate permutarile circulare ale cuvantului si scriem rezultatul in fisierul de iesire file_out.write(' '.join(permutari_circulare(cuvant_main)) + '\n') except ValueError: file_out.write("Datele de intrare nu corespund restrictiilor impuse.") except IndexError: file_out.write("Datele de intrare nu corespund restrictiilor impuse.") </syntaxhighlight>
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