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2741 - SAO1
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==Rezolvare== <syntaxhighlight lang="python" line="1"> def validare(n, m, matrice): # verificam daca dimensiunile matricei sunt in intervalul permis if n < 1 or n > 500 or m < 1 or m > 500: return False # verificam ca toate valorile din matrice sa fie numere intregi pozitive for i in range(n): for j in range(m): if not matrice[i][j].isdigit() or int(matrice[i][j]) <= 0: return False return True def rezolvare(n, m, matrice): # initializam suma maxima cu 0 suma_maxima = 0 # cautam valoarea maxima din matrice max_valoare = int(matrice[0][0]) for i in range(n): for j in range(m): valoare = int(matrice[i][j]) if valoare > max_valoare: max_valoare = valoare # iteram prin valori de la 1 la valoarea maxima din matrice for k in range(1, max_valoare + 1): suma = 0 # calculam suma pentru fiecare submatrice care contine doar valoarea k for i in range(n): for j in range(m): if matrice[i][j] == str(k): suma += k # actualizam suma_maxima daca suma este mai mare if suma > suma_maxima: suma_maxima = suma return suma_maxima def main(): # citim datele de intrare din fisierul "sao1.in" with open("sao1.in") as f: n, m = map(int, f.readline().split()) matrice = [f.readline().split() for i in range(n)] # validam datele de intrare if not validare(n, m, matrice): print("Date de intrare invalide") return # rezolvam problema suma_maxima = rezolvare(n, m, matrice) # afisam rezultatul in fisierul "sao1.out" with open("sao1.out", "w") as f: f.write(str(suma_maxima)) if __name__ == "__main__": main() </syntaxhighlight>
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