[LeetCode | Java | DFS 문제 풀이] 226. Invert Binary Tree - Solution with DFS
99클럽 | 비기너🌲 226. Invert Binary Tree🏷 Topic : Tree DFS; Depth-First Search BFS; Breadth-First Search Binary TreeEasyGiven the root of a binary tree, invert the tree, and return its root.Example 1:Input: root = [4,2,7,1,3,6,9]Output: [4,7,2,9,6,3,1]Example 2:Input: root = [2,1,3]Output: [2,3,1]Example 3:Input: root = []Output: []Constraints:The number of nodes in the tree is in the range [0, 100..
2024. 6. 2.
[LeetCode | Java | DFS/BFS 문제 풀이] 938. Range Sum of BST - Solution with Recursion Function
99클럽 | Begginer938. Range Sum of BST 🏷 Topic : Tree Depth-First Search Binary Search Tree Binary Tree BFS DFSEasyGiven the root node of a binary search tree and two integers low and high, return the sum of values of all nodes with a value in the inclusive range [low, high].Example 1:Input: root = [10,5,15,3,7,null,18], low = 7, high = 15Output: 32Explanation: Nodes 7, 10, and 15 are in the rang..
2024. 5. 30.
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