1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
triangle = [
[75],
[95, 64],
[17, 47, 82],
[18, 35, 87, 10],
[20, 4, 82, 47, 65],
[19, 1, 23, 75, 3, 34],
[88, 2, 77, 73, 7, 63, 67],
[99, 65, 4 , 28, 6, 16, 70, 92],
[41, 41, 26, 56, 83, 40, 80, 70, 33],
[41, 48, 72, 33, 47, 32, 37, 16, 94, 29],
[53, 71, 44, 65, 25, 43, 91, 52, 97, 51, 14],
[70, 11, 33, 28, 77, 73, 17, 78, 39, 68, 17, 57],
[91, 71, 52, 38, 17, 14, 91, 43, 58, 50, 27, 29, 48],
[63, 66, 4, 68, 89, 53, 67, 30, 73, 16, 69, 87, 40, 31],
[ 4, 62, 98, 27, 23, 9, 70, 98, 73, 93, 38, 53, 60, 4, 23]
]
# très mauvaise récursion
def walk_through(triangle, paths=[], x=0, y=0, path=[]):
if x == len(triangle):
if y+1 == len(triangle[-1]):
return paths
return [*paths, path]
new_path = [*path, triangle[x][y]]
return [
*walk_through(triangle, paths, x+1, y, new_path),
*walk_through(triangle, paths, x+1, y+1, new_path)
]
paths = walk_through(triangle)
max_path_sum = max([sum(x) for x in paths])
print(max_path_sum)
|
