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0877 - Cuburi2
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==Rezolvare== <syntaxhighlight lang="python" line="1" start="1"> def verificare_restrictii(nr_n): # functia de verificare a datelor de intrare if 1 <= nr_n <= 1000: return True else: return False def procesare_cuburi(nr_n, cuburi): # Initializam stiva si lista de numere stack = [] numbers = [] # Parcurgem fiecare cub for i in range(nr_n): # Cat timp stiva nu este goala si cubul curent are latura mai mare decat cubul din varful stivei while stack and stack[-1] < cuburi[i]: # Eliminam cubul din varful stivei stack.pop() # Eliminam numarul corespunzator cubului eliminat numbers.pop() # Adaugam cubul curent in stiva stack.append(cubes[i]) # Adaugam numarul corespunzator cubului curent in lista de numere numbers.append(i + 1) # Afisam numarul de cuburi ramase in stiva print(len(numbers)) # Afisam numerele corespunzatoare cuburilor ramase in stiva print(' '.join(map(str, numbers))) if __name__ == '__main__': try: n = int(input("Introduceti numarul de cuburi: ")) # citirea numarului de cuburi cubes = list(map(int, input().split())) # citirea lungimilor laturilor cuburilor if verificare_restrictii(n): # verificam datele de intrare print("Datele de intrare corespund restrictiilor impuse.") procesare_cuburi(n, cubes) # apelam functia de rezolvare else: print("Datele de intrare nu corespund restrictiilor impuse.") # ne asteptam la 2 tipuri de erori din cauza datelor de intrare, le tratam corespunzator except ValueError: print("Datele de intrare nu corespund restrictiilor impuse.") except IndexError: print("Datele de intrare nu corespund restrictiilor impuse.") </syntaxhighlight>
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