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It checks for uniqueness through >= condition in below code. If data in 2 nodes is same, then it is not a binary search tree and flag is set to false. Yes, it passed all testcases. if(prevNode!=null&&prevNode.data>=node.data)
flag = false;
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Trees: Is This a Binary Search Tree?
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It checks for uniqueness through >= condition in below code. If data in 2 nodes is same, then it is not a binary search tree and flag is set to false. Yes, it passed all testcases. if(prevNode!=null&&prevNode.data>=node.data) flag = false;