Week 151: Python solutions

2 files changed, 50 insertions, 0 deletions

diff --git a/challenge-151/abigail/python/ch-1.py b/challenge-151/abigail/python/ch-1.py
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+++ b/challenge-151/abigail/python/ch-1.py
@@ -0,0 +1,32 @@
+#!/usr/local/bin/python3
+
+#
+# See https://theweeklychallenge.org/blog/perl-weekly-challenge-151
+#
+
+#
+# Run as: python ch-1.py < input-file
+#
+
+import fileinput
+
+for line in fileinput . input ():
+    tree = list (map (lambda row: row . strip () . split (),
+                                 line . strip () . split ("|")))
+    for d in range (len (tree)):
+        if (d == len (tree) - 1):
+            print (d + 1)
+            break
+        done = False
+        for i in range (len (tree [d])):
+            if tree [d] [i] != "*":
+                ch1 = 2 * i
+                ch2 = 2 * i + 1
+                if ch1 >= len (tree [d + 1]) or (
+                    (tree [d + 1] [ch1] == "*" and (
+                      ch2 >= len (tree [d + 1]) or tree [d + 1] [ch2] == "*"))):
+                    print (d + 1)
+                    done = True
+                    break
+        if done:
+            break
diff --git a/challenge-151/abigail/python/ch-2.py b/challenge-151/abigail/python/ch-2.py
new file mode 100644
index 0000000000..a20a18329b
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+++ b/challenge-151/abigail/python/ch-2.py
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+#!/usr/local/bin/python3
+
+#
+# See https://theweeklychallenge.org/blog/perl-weekly-challenge-151
+#
+
+#
+# Run as: python ch-2.py < input-file
+#
+
+import fileinput
+
+for line in fileinput . input ():
+    houses = list (map (lambda x: int (x), line . strip () . split ()))
+    best   = [0] * (len (houses) + 2)
+    for i in range (len (houses) - 1, 1, -1):
+        best [i] = max (houses [i] + best [i + 2], best [i + 1])
+    print (houses [0] + best [2])