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1546 - mincifre
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== Rezolvare == <syntaxhighlight lang="python" line="1"> # 1546 - mincifre def valideaza_input(n): # Verificăm dacă numărul introdus are cel mult 10.000 de cifre și este un număr natural if not n.isdigit() or len(n) > 10000: return False return True def cel_mai_mic_numar(n): # Sortăm cifrele numărului și formăm cel mai mic număr natural cifre = [0] * 10 for cifra in n: cifre[int(cifra)] += 1 if cifre[0] == len(n): return "0" numar_format = "" for i in range(1, 10): if cifre[i] > 0: numar_format += str(i) cifre[i] -= 1 break for i in range(10): while cifre[i] > 0: numar_format += str(i) cifre[i] -= 1 return numar_format if __name__ == '__main__': # Citim datele de intrare din fișier with open('mincifre.in', 'r') as f: n = f.readline().strip() # Verificăm validitatea datelor de intrare if not valideaza_input(n): print("Datele nu corespund restricțiilor impuse.") else: print("Datele sunt introduse corect.") # Calculăm rezultatul și îl scriem în fișierul de ieșire with open('mincifre.out', 'w') as g: g.write(cel_mai_mic_numar(n)) </syntaxhighlight>
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