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0207 - Gen Mat 2
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== Rezolvare == <syntaxhighlight lang="python" line="1"> # 0207-Gen Mat 2 def verificare_restrictii(n): # functia de verificare a restrictiilor if 2 <= n <= 24: return True else: return False def genmat2(n): # functia de rezolvare matrice = [] # creem matricea cu n linii si n coloane for i in range(n): linie = [] for j in range(n): linie.append(0) matrice.append(linie) valoare = n # valoare reprezinta valoarea ce urmeaza sa fie introdusa in matrice # vom introduce numerele pe coloana, incepand cu n si la fiecare coloana scadem valoarea for coloana in range(1, n+1): for linia in range(1, n+1): matrice[linia-1][coloana-1] = valoare valoare -= 1 # marcam diagonala principala cu 0 for linia in range(1, n+1): for coloana in range(1, n+1): if linia == coloana: matrice[linia-1][coloana-1] = 0 # afisam matricea for linie in matrice: for element in linie: print(element, end=" ") print() if __name__ == '__main__': try: nr_linii = int(input("Introduceti numarul de linii: ")) # citim numarul de linii (trebuie sa fie numar intreg) if verificare_restrictii(nr_linii): # verificam datele de intrare print("Datele de intrare corespund restrictiilor impuse.") genmat2(nr_linii) # apelarea functiei de rezolvare else: print("Datele de intrare nu corespund restrictiilor impuse.") # in cazul in care datele de intrare nu corespund, ne asteptam la o eroare de tipul Value error pe care o tratam except ValueError: print("Datele de intrare nu corespund restrictiilor impuse.") </syntaxhighlight>
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