21 lines
410 B
Python
21 lines
410 B
Python
|
|
def get(x, y, lst, dct):
|
|
if y < x:
|
|
return dct[(x, y)]
|
|
return lst[x]
|
|
|
|
def count(num):
|
|
lst = [0, 1, 2]
|
|
dct = {(2, 1): 1}
|
|
if 3 > num:
|
|
return lst[num]
|
|
for x in range(3, num + 1):
|
|
tale = 0
|
|
for n in range(1, x):
|
|
tale += get(x - n, n, lst, dct)
|
|
dct[(x, n)] = tale
|
|
lst.append(tale + 1)
|
|
return lst[num] - 1
|
|
|
|
print(count(100))
|