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4215 - Alipit
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== Rezolvare == <syntaxhighlight lang="python" line> #4215 def verificare_numar(n): if not isinstance(n, int) or n < 1 or n > 100000000000: return False return True def este_alipit(n): numar = str(n) lungime = len(numar) # parcurgem toate lungimile posibile pentru un șir repetat for lungime_subsir in range(1, lungime // 2 + 1): # extragem șirul repetat subsir = numar[:lungime_subsir] # verificam daca șirul se poate repeta pentru a forma numarul dat if subsir * (lungime // lungime_subsir) + subsir[:lungime % lungime_subsir] == numar: return True return False if __name__ == "__main__": n = int(input("Introduceti un numar natural: ")) if verificare_numar(n): print("Datele introduse sunt corecte.") if este_alipit(n): print("DA") else: print("NU") else: print("Datele introduse nu sunt corecte.") </syntaxhighlight>
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