Editing 0216 - Gen Mat 7 (section)

== Rezolvare ==
<syntaxhighlight lang="python" line="1">
# 0216 Gen Mat 7
def verificare_restrictii(nr):      # functia de verificare a restrictiilor
    if 2 <= nr <= 24:
        return True
    else:
        return False


def genmat7(nr):                    # functia de rezolvare a problemei
    matrice = []
    nr_linii = nr

    for i in range(0, nr_linii):    # creem matricea patratica
        linie = []
        for j in range(0, nr_linii):
            linie.append(0)

        matrice.append(linie)

    for linie in range(0, nr_linii):
        for coloana in range(0, nr_linii):
            if linie == coloana:                # diagonala principala
                matrice[linie][coloana] = 0
            if linie + coloana == n + 1:        # diagonala secundara
                matrice[linie][coloana] = 0
            if linie > coloana and linie + coloana < nr_linii - 1:  # sub diagonala principala, deasupra secundarei
                matrice[linie][coloana] = 3
            if linie < coloana and linie + coloana > nr_linii - 1:  # deasupra diagonalei principale, sub secundara
                matrice[linie][coloana] = 3
            if linie < coloana and linie + coloana < nr_linii - 1:  # deasupra ambelor diagonale sunt egale
                matrice[linie][coloana] = 1
            if linie > coloana and linie + coloana > nr_linii - 1:  # sub ambele diagonale
                matrice[linie][coloana] = 2

    for linie in matrice:               # afisare
        for element in linie:
            print(element, end=" ")
        print()


if __name__ == '__main__':
    try:
        # ne asteptam ca datele de intrare sa fie gresite fapt care ar genera o eroare de tipul ValueError
        # pe care o tratam corespunzator
        n = int(input("Introduceti numarul: "))     # citirea lui n

        if verificare_restrictii(n):                # verificarea restrictiilor
            print("Datele de intrare corespund restrictiilor impuse.")
            genmat7(n)                              # apelul functiei de rezolvare
        else:
            print("Datele de intrare nu corespund restrictiilor impuse.")
    except ValueError:
        print("Datele de intrare nu corespund restrictiilor impuse.")

</syntaxhighlight>