Problem 014

git-svn-id: file:///srv/svn/euler@39 e5f4c3ec-3c0c-11df-b522-21efaa4426b5

e014.py

@@ -0,0 +1,20 @@
+def collatz(n):
+    steps = 0
+    while n > 1:
+        steps = steps + 1
+        if n % 2:
+            n = 3 * n + 1
+        else:
+            n = n / 2
+    return steps
+
+i = 1000000
+max = 0
+maxnum = i
+while i > 1:
+    i = i - 1
+    c = collatz(i)
+    if c > max:
+        max = c
+        maxnum = i
+print 'Max was {0} steps for {1}'.format(max, maxnum)