Created
March 30, 2022 12:03
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| public TreeNode lowestCommonAncestor(TreeNode root, TreeNode p, TreeNode q) { | |
| if( (p.val == root.val || q.val == root.val) || ( p.val < root.val && q.val > root.val)){ | |
| return root; | |
| } | |
| TreeNode ans = root; | |
| if(p.val< root.val && q.val < root.val ){ //left | |
| ans = lowestCommonAncestor(root.left,p,q); | |
| } | |
| else if(p.val > root.val && q.val > root.val) { // right | |
| ans = lowestCommonAncestor(root.right,p,q); | |
| } | |
| return ans; | |
| } |
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