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3345 - Divimax
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==Rezolvare== <syntaxhighlight lang="python" line> #3345 divimax def este_prim(numar): if numar < 2: return False for i in range(2, int(numar ** 0.5) + 1): if numar % i == 0: return False return True def determina_divizori(numar): divizori = [] for i in range(1, numar + 1): if numar % i == 0: divizori.append(i) return divizori def determina_cel_mai_mare_divizor_prim(lista_numere): divizori_prim = [] for numar in lista_numere: divizori = determina_divizori(numar) for divizor in divizori: if este_prim(divizor): divizori_prim.append(divizor) return max(divizori_prim) def determina_cel_mai_mare_numar_concatenare(lista_numere): divizori_prim = [] for numar in lista_numere: divizori = determina_divizori(numar) for divizor in divizori: if este_prim(divizor): divizori_prim.append(divizor) divizori_prim.sort(reverse=True) return int(''.join(map(str, divizori_prim))) def verifica_date_intrare(C, N, numere): if C not in [1, 2]: return False if not (0 <= N <= 3030): return False for numar in numere: if not (2 <= numar <= 3500): return False return True def main(): # Citire date de intrare with open('divimax.in', 'r') as f: C, N = map(int, f.readline().split()) numere = [int(f.readline()) for _ in range(N)] # Verificare date de intrare if not verifica_date_intrare(C, N, numere): # Scriere mesaj de date invalide in fisierul de iesire with open('divimax.out', 'w') as fout: fout.write("Date de intrare invalide!") return # Calculare rezultat in functie de C if C == 1: P = determina_cel_mai_mare_divizor_prim(numere) rezultat = P elif C == 2: K = determina_cel_mai_mare_numar_concatenare(numere) rezultat = K # Scriere rezultat in fisierul de iesire with open('divimax.out', 'w') as f: f.write(str(rezultat) + '\n') if __name__ == "__main__": main() </syntaxhighlight>
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