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===Rezolvare ver. 1=== <syntaxhighlight lang="python" line="1" start="1"> # Funcție pentru validarea valorii n. def validare(n): if 0 <= n <= 100000: return True else: return False # Funcție pentru calcularea ultimei cifre a lui 2^n. def ultima_cifra_2_la_n(n): # Ciclicitatea cifrelor la puterile pare ale lui 2 este 2-4-8-6. return pow(2, n % 4 + 4) % 10 if __name__ == '__main__': # Citirea valorii n din fișierul de intrare. with open('2lan.in', 'r') as fin: n = int(fin.readline().strip()) # Validarea valorii n. if not validare(n): print("Datele de intrare nu corespund restricțiilor impuse.") else: print("Datele de intrare corespund restricțiilor impuse.") # Calcularea și scrierea rezultatului în fișierul de ieșire. result = ultima_cifra_2_la_n(n) with open('2lan.out', 'w') as fout: fout.write(str(result)) </syntaxhighlight>
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