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0227 - Gen Mat 14
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== Rezolvare == <syntaxhighlight lang="python" line="1"> # 0227 Gen Mat 14 def verificare_restrictii(nr_linii): # functia de verificare a datelor de intrare if 3 <= nr_linii <= 15: return True else: return False def genmat14(nr_linii): matrice = [] for i in range(0, nr_linii): # crearea si initializarea matricii patratice linie = [] for j in range(0, nr_linii): linie.append(0) matrice.append(linie) for coloana in range(0, nr_linii): # initializarea ultimei linii cu 1 2 3.. etc matrice[nr_linii-1][coloana] = coloana + 1 for linie in range(nr_linii - 2, -1, -1): # parcurgem liniile in sens invers, de la penultima for coloana in range(nr_linii): if linie >= coloana: # daca se afla sub diagonala principala sau pe diagonala if coloana == 0: # elementele din prima coloana au doar 2 vecini matrice[linie][coloana] = matrice[linie+1][coloana] + matrice[linie+1][coloana + 1] else: # restul au 3 vecini ce pot fi insumati matrice[linie][coloana] = matrice[linie + 1][coloana] + matrice[linie + 1][coloana - 1] + \ matrice[linie + 1][coloana + 1] for linie in matrice: # afisarea for element in linie: print(element, end=" ") print() if __name__ == '__main__': # ne asteptam ca datele de intrare sa fie gresite fapt care ar genera o eroare de tipul ValueError # pe care o tratam corespunzator try: numar_linii = int(input("Introduceti numarul n ")) if verificare_restrictii(numar_linii): print("Datele de intrare corespund restrictiilor impuse.") genmat14(numar_linii) else: print("Datele de intrare nu corespund restrictiilor impuse.") except ValueError: print("Datele de intrare nu corespund restrictiilor impuse.") </syntaxhighlight>
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