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2621 - Spower2
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== Rezolvare == <syntaxhighlight lang="python" line> #2621 - Spower2 def is_spower2(num): """ Verifică dacă un număr este de tip spower2 """ for i in range(31): for j in range(i+1, 32): if 2**i + 2**j == num: return True return False def spower2_associate(file_input, file_output): try: # Citirea datelor de intrare din fișier with open(file_input, 'r') as f: n = int(f.readline().strip()) A = list(map(int, f.readline().split())) # Determinarea celor mai apropiate numere spower2 spower2_list = [min(filter(lambda x: x >= num and is_spower2(x), range(1, 2*max(A)+1)), key=lambda x: x - num) for num in A] # Scrierea rezultatului în fișierul de ieșire with open(file_output, 'w') as f: f.write(' '.join(map(str, spower2_list))) except Exception as e: # În caz de eroare, afișăm un mesaj corespunzător with open(file_output, 'w') as f: f.write('Numarul nu respecta restrictiile.') # Exemplu de utilizare: spower2_associate('spower2in.txt', 'spower2out.txt') </syntaxhighlight>
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