Update naming-a-company.py

Author: kamyu104

Python/naming-a-company.py

@@ -17,29 +17,3 @@ def distinctNames(self, ideas):
                 common = len(lookup[i]&lookup[j])
                 result += (len(lookup[i])-common)*(len(lookup[j])-common)
         return result*2
-
-
-# Time:  O(26 * n * l)
-# Space: O(n * l)
-# hash table, math
-class Solution2(object):
-    def distinctNames(self, ideas):
-        """
-        :type ideas: List[str]
-        :rtype: int
-        """
-        lookup = [set() for _ in xrange(26)]
-        for x in ideas:
-            lookup[ord(x[0])-ord('a')].add(x[1:])
-        cnt = [[0]*26 for _ in xrange(26)]
-        for i in xrange(26):
-            for x in lookup[i]:
-                for j in xrange(26):
-                    if j == i:
-                        continue
-                    cnt[i][j] += x not in lookup[j] 
-        result = 0
-        for i in xrange(len(lookup)):
-            for j in xrange(i+1, len(lookup)):
-                result += cnt[i][j]*cnt[j][i]
-        return result*2