C# 96% Using DFS


  • 0
    S
    public class Solution {
        public bool IsSameTree(TreeNode p, TreeNode q) {
            if(p==null && q==null) return true;
            if(p==null || q==null) return false;
            return p.val == q.val && IsSameTree(p.left,q.left) && IsSameTree(p.right,q.right);
        }
    }

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