A-M baby

2013-04-10 21:29:02 -07:00 · 2013-04-10 21:29:02 -07:00 · db842d013d
commit db842d013d
parent 764da6cbbb
19005 changed files with 197040 additions and 7 deletions
--- a/Task/Hamming-numbers/Python/hamming-numbers-4.py
+++ b/Task/Hamming-numbers/Python/hamming-numbers-4.py
@ -0,0 +1,13 @@
+from heapq import merge
+from itertools import tee
+
+def hamming_numbers():
+    last = 1
+    yield last
+
+    a,b,c = tee(hamming_numbers(), 3)
+
+    for n in merge((2*i for i in a), (3*i for i in b), (5*i for i in c)):
+        if n != last:
+            yield n
+            last = n