Update split-a-string-into-the-max-number-of-unique-substrings.py

Author: kamyu104

Python/split-a-string-into-the-max-number-of-unique-substrings.py

@@ -26,7 +26,7 @@ def popcount(n):
                 curr.append(s[i])
                 if (mask&base) or base == 0:
                     if "".join(curr) in lookup:
-                        mask = (mask | (base-1)) + 1 if base else mask+1  # pruning
+                        mask = (mask | (base-1)) + 1 if base else mask+1  # pruning, try next mask without base
                         break
                     lookup.add("".join(curr))
                     curr = []