Finished with a divide and conquer approach, max sum is 1074

This commit is contained in:
2020-04-11 22:38:23 +02:00
parent 411690914c
commit 6422ce19ae

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@@ -24,9 +24,48 @@ import numpy as np
# 04 62 98 27 23 09 70 98 73 93 38 53 60 04 23 # 04 62 98 27 23 09 70 98 73 93 38 53 60 04 23
def getMaxPath(t):
t0 = t[0][0]
if len(t) == 1:
return t0
# if len(t) == 2:
# return t0 + max(t[1][0], t[1][1])
left = list(map(lambda row: row[:-1], t[1:]))
right = list(map(lambda row: row[1:], t[1:]))
return t0 + max(getMaxPath(left), getMaxPath(right))
def main(): def main():
print("Hello, this is Patrick") print("Hello, this is Patrick")
triangle = '''
75
95 64
17 47 82
18 35 87 10
20 04 82 47 65
19 01 23 75 03 34
88 02 77 73 07 63 67
99 65 04 28 06 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 04 68 89 53 67 30 73 16 69 87 40 31
04 62 98 27 23 09 70 98 73 93 38 53 60 04 23'''
ts = triangle.strip().split('\n')
t = []
for x in ts:
t.append(list(map(lambda y: int(y), x.split(' '))))
r = getMaxPath(t)
print(r)
if __name__ == "__main__": if __name__ == "__main__":
main() main()