Puzzle du 10 décembre 2015

2015/10/elves.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+import sys
+number = sys.argv[1]
+
+def gen_number(num):
+    current, count, output = num[0], 1, ''
+    for digit in num[1:]:
+        if digit != current:
+            output += str(count) + current
+            current, count = digit, 1
+        else:
+            count += 1
+    output += str(count) + current
+    return output
+
+for _ in range(int(sys.argv[2])):
+    number = gen_number(number)
+print(len(number))