Update count-numbers-with-unique-digits.py

kamyu104 · web-flow · commit a237d939b8a5 · 2024-02-11T07:04:23.000+08:00
diff --git a/Python/count-numbers-with-unique-digits.py b/Python/count-numbers-with-unique-digits.py
@@ -10,8 +10,8 @@ def countNumbersWithUniqueDigits(self, n):
         if n == 0:
             return 1
         result = cnt = 1
-        for k in xrange(n-1):
-            cnt *= 9-k
+        for i in xrange(n-1):
+            cnt *= 9-i
             result += cnt
         return 1+9*result
 
