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1647 - Cumpanit
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== Rezolvare == <syntaxhighlight lang="python" line> #1647 - Cumpanit def este_cumpanit(numar): # Calculează descompunerea în factori primi și verifică condiția cumpănită divizor = 2 suma_baze = 0 suma_exponenti = 0 while numar > 1: putere = 0 while numar % divizor == 0: numar //= divizor putere += 1 if putere > 0: suma_baze += divizor suma_exponenti += putere divizor += 1 return suma_baze == suma_exponenti def main(): try: with open("cumpanitin.txt", "r") as fin: a, b = map(int, fin.readline().strip().split()) except FileNotFoundError: print("Fișierul cumpanitin.txt nu a fost găsit.") return except ValueError: print("Datele din fișierul de intrare nu sunt corecte.") return if not (2 <= a <= b <= 10 ** 14): print("Datele nu corespund restricțiilor.") return try: with open("cumpanitout.txt", "w") as fout: for numar in range(a, b + 1): if este_cumpanit(numar): fout.write(str(numar) + "\n") print("Datele corespund.") except IOError: print("Nu s-a putut scrie în fișierul de ieșire.") if __name__ == "__main__": main() </syntaxhighlight>
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