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1112 - Puteri4
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== Rezolvare == <syntaxhighlight lang="python" line> #1112 - Puteri4 def este_putere(numar): # Verifică dacă un număr este putere for baza in range(2, int(numar ** 0.5) + 1): exponent = 2 putere = baza ** exponent while putere <= numar: if putere == numar: return True exponent += 1 putere = baza ** exponent return False def numar_puteri_in_interval(X, Y): numar_puteri = 1 for numar in range(X, Y + 1): if este_putere(numar): numar_puteri += 1 return numar_puteri def main(): try: with open("puteri4in.txt", "r") as fin: T = int(fin.readline().strip()) intervale = [list(map(int, fin.readline().strip().split())) for _ in range(T)] except FileNotFoundError: print("Fișierul puteri4in.txt nu a fost găsit.") return except ValueError: print("Datele din fișierul de intrare nu sunt corecte.") return try: with open("puteri4out.txt", "w") as fout: for interval in intervale: numar_puteri = numar_puteri_in_interval(interval[0], interval[1]) fout.write(str(numar_puteri) + "\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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