def main(): sol = Solution() # 709.转换成小写字母 '#print(sol.toLowerCase("HELLO"))' # 461. 汉明距离 '#a = sol.hammingDistance(2,5)' '#print(a)' # 922. 按奇偶排序数组 II # a = [4, 2, 8, 6, 1, 1, 1, 1] # sol.sortArrayByParityII(a) # 617. 合并二叉树 # r1 = Solution.TreeNode(1) # r1.left = Solution.TreeNode(3) # r1.right = Solution.TreeNode(2) # r1.left.left = Solution.TreeNode(5) # # r2 = Solution.TreeNode(2) # r2.left = Solution.TreeNode(1) # r2.right = Solution.TreeNode(3) # r2.left.right = Solution.TreeNode(4) # r2.right.right = Solution.TreeNode(7) # # s = sol.mergeTrees(r1, r2) # 237.删除链表中的节点 l1 = Solution.ListNode(4) l1.next = Solution.ListNode(5) l1.next.next = Solution.ListNode(1) l1.next.next.next = Solution.ListNode(9) l2 = l1.next.next Solution.deleteNode(l1, node=l2) l3 = l1