src/codewars/kata_next_bigger_number_same_digits.py

@@ -1,16 +1,16 @@
 def next_bigger(n):
-    digits = list(str(n))
-    digits.sort(reverse=True)
-    number = int("".join(digits))
-    if number == n:
+    digits = [int(x) for x in list(str(n))]
+
+    pivot = -1
+    for i in range(1, len(digits)):
+        if digits[-1] > digits[-2 * i]:
+            pivot = -2 * i
+            break
+    if pivot == -1:
         return -1
 
-    for i in range(n + 1, number + 1):
-        higher_number = list(str(i))
-        higher_number.sort(reverse=True)
-
-        if higher_number == digits:
-            return i
+    print(pivot)
+    return digits
 
 
-print(next_bigger(84876644310))
+print(next_bigger(534976))