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0988 - Prime
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== Rezolvare == <syntaxhighlight lang="python" line> def verifica_restrictii(n, tablou): # Verificăm restricțiile pentru n if not 1 <= n <= 1000: return False # Verificăm restricțiile pentru fiecare element al tabloului for numar in tablou: if not 0 < numar < 1000000000: return False return True def prim(numar): if numar <= 1: return False for i in range(2, int(numar ** 0.5) + 1): if numar % i == 0: return False return True if __name__ == "__main__": try: # Citim numarul de numere n din fisierul de intrare with open("in.txt", "r") as infile: n = int(infile.readline().strip()) # Citim și procesăm restul datelor tablou = list(map(int, infile.readline().strip().split())) # Verificăm restricțiile if verifica_restrictii(n, tablou): print("Datele de intrare corespund restricțiilor impuse.") # Găsim și filtrăm numerele prime numere_prime = [numar for numar in tablou if prim(numar)] # Scriem numerele prime în fisierul de ieșire with open("out.txt", "w") as outfile: outfile.write(" ".join(map(str, numere_prime))) print("Numerele prime au fost scrise în 'out.txt'.") else: print("Datele de intrare nu corespund restricțiilor impuse.") except ValueError: print("Datele din fisierul de intrare nu sunt valide. Verificați formatul.") except FileNotFoundError: print("Fisierul de intrare 'in.txt' nu a fost gasit.") except Exception as ex: print(f"A apărut o eroare neașteptată: {ex}") </syntaxhighlight>
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