g0601_0700.s0671_second_minimum_node_in_a_binary_tree (leetcode-in-java 1.10 API)

Class Summary
Class Description

Solution
671 - Second Minimum Node In a Binary Tree.

Class Summary
Class	Description
Solution	671 - Second Minimum Node In a Binary Tree.

Package g0601_0700.s0671_second_minimum_node_in_a_binary_tree