update

Author: kamyu104

Python/3sum-smaller.py

@@ -1,7 +1,7 @@
 # Time:  O(n^2)
 # Space: O(1)
 
-class Solution:
+class Solution(object):
     # @param {integer[]} nums
     # @param {integer} target
     # @return {integer}

Python/add-and-search-word-data-structure-design.py

@@ -1,14 +1,14 @@
 # Time:  O(min(n, h)), per operation
 # Space: O(min(n, h))
 
-class TrieNode:
+class TrieNode(object):
     # Initialize your data structure here.
     def __init__(self):
         self.is_string = False
         self.leaves = {}
 
 
-class WordDictionary:
+class WordDictionary(object):
     def __init__(self):
         self.root = TrieNode()
 

Python/add-binary.py

@@ -2,7 +2,7 @@
 # Space: O(1)
 
 
-class Solution:
+class Solution(object):
     # @param a, a string
     # @param b, a string
     # @return a string

Python/add-two-numbers.py

@@ -1,7 +1,7 @@
 # Time:  O(n)
 # Space: O(1)
 
-class ListNode:
+class ListNode(object):
     def __init__(self, x):
         self.val = x
         self.next = None

Python/basic-calculator-ii.py

@@ -2,7 +2,7 @@
 # Space: O(n)
 
 
-class Solution:
+class Solution(object):
     # @param {string} s
     # @return {integer}
     def calculate(self, s):

Python/basic-calculator-iv.py

@@ -10,7 +10,7 @@
 import itertools
 
 
-class Poly(collections.Counter):
+class Poly(collections.Counter)(object):
     def __init__(self, expr=None):
         if expr is None:
             return

Python/basic-calculator.py

@@ -2,7 +2,7 @@
 # Space: O(n)
 
 
-class Solution:
+class Solution(object):
     # @param {string} s
     # @return {integer}
     def calculate(self, s):

Python/best-time-to-buy-and-sell-stock-ii.py

@@ -2,7 +2,7 @@
 # Space: O(1)
 
 
-class Solution:
+class Solution(object):
     # @param prices, a list of integer
     # @return an integer
     def maxProfit(self, prices):

Python/candy.py

@@ -4,7 +4,7 @@
 import operator
 from functools import reduce
 
-class Solution:
+class Solution(object):
     # @param ratings, a list of integer
     # @return an integer
     def candy(self, ratings):

Python/climbing-stairs.py

@@ -1,7 +1,7 @@
 # Time:  O(n)
 # Space: O(1)
 
-class Solution:
+class Solution(object):
     """
     :type n: int
     :rtype: int