September Morn Update

2019-09-12 10:33:56 -07:00 · 2019-09-12 10:33:56 -07:00 · aac6731f2c
commit aac6731f2c
parent 4e2d22a71d
6856 changed files with 141342 additions and 21127 deletions
--- a/Task/Maximum-triangle-path-sum/Python/maximum-triangle-path-sum-3.py
+++ b/Task/Maximum-triangle-path-sum/Python/maximum-triangle-path-sum-3.py
@ -0,0 +1,38 @@
+from functools import (reduce)
+from itertools import (starmap)
+
+
+# maxPathSum :: [[Int]] -> Int
+def maxPathSum(rows):
+    return reduce(
+        lambda xs, ys: list(starmap(
+            lambda a, b, c: a + max(b, c),
+            zip(ys, xs, xs[1:])
+        )),
+        reversed(rows[:-1]), rows[-1]
+    )[0]
+
+
+# TEST ----------------------------------------------------
+print(
+    maxPathSum([
+        [55],
+        [94, 48],
+        [95, 30, 96],
+        [77, 71, 26, 67],
+        [97, 13, 76, 38, 45],
+        [7, 36, 79, 16, 37, 68],
+        [48, 7, 9, 18, 70, 26, 6],
+        [18, 72, 79, 46, 59, 79, 29, 90],
+        [20, 76, 87, 11, 32, 7, 7, 49, 18],
+        [27, 83, 58, 35, 71, 11, 25, 57, 29, 85],
+        [14, 64, 36, 96, 27, 11, 58, 56, 92, 18, 55],
+        [2, 90, 3, 60, 48, 49, 41, 46, 33, 36, 47, 23],
+        [92, 50, 48, 2, 36, 59, 42, 79, 72, 20, 82, 77, 42],
+        [56, 78, 38, 80, 39, 75, 2, 71, 66, 66, 1, 3, 55, 72],
+        [44, 25, 67, 84, 71, 67, 11, 61, 40, 57, 58, 89, 40, 56, 36],
+        [85, 32, 25, 85, 57, 48, 84, 35, 47, 62, 17, 1, 1, 99, 89, 52],
+        [6, 71, 28, 75, 94, 48, 37, 10, 23, 51, 6, 48, 53, 18, 74, 98, 15],
+        [27, 2, 92, 23, 8, 71, 76, 84, 15, 52, 92, 63, 81, 10, 44, 10, 69, 93]
+    ])
+)