Programming/Algorithm

[leetcode] SameTree

읽고 쓰는 개발자 2020. 11. 29. 16:29

https://leetcode.com/problems/same-tree/

 

Same Tree - LeetCode

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leetcode.com

import exam.TreeNode;

public class SameTree {
    public static boolean isSameTree(TreeNode p, TreeNode q) {
        if(p == null && q == null)  return true;
        else if(p == null || q == null) return false;
        else if(p.val != q.val) return false;

        return isSameTree(p.left, q.left) && isSameTree(p.right, q.right);

    }
}