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`@@ -131,6 +131,7 @@ This is the solutions collection of my LeetCode submissions, most of them are pr`
`131`	`131`	`\| 219\|[Contains Duplicate II](https://leetcode.com/problems/contains-duplicate-ii/)\|[JavaScript](./src/contains-duplicate-ii/res.js)\| Easy\|`
`132`	`132`	`\| 220\|[Contains Duplicate III](https://leetcode.com/problems/contains-duplicate-iii/)\|[JavaScript](./src/contains-duplicate-iii/res.js)\| Medium\|`
`133`	`133`	`\| 228\|[Summary Ranges](https://leetcode.com/problems/summary-ranges/solution/)\|[JavaScript](./src/summary-ranges/res.js)\| Medium\|`
	`134`	`+\| 230\|[kth-smallest-element-in-a-bst](https://leetcode.com/problems/kth-smallest-element-in-a-bst/solution/)\|[TypeScript](./src/kth-smallest-element-in-a-bst/res.ts)\| Medium\|`
`134`	`135`	`\| 238\|[Product of Array Except Self](https://leetcode.com/problems/product-of-array-except-self/solution/)\|[JavaScript](./src/product-of-array-except-self/res.js)\| Medium\|`
`135`	`136`	`\| 239\|[Sliding Window Maximum](https://leetcode.com/problems/sliding-window-maximum/description/)\|[JavaScript](./src/sliding-window-maximum/description/res.js)\| Hard\|`
`136`	`137`	`\| 240\|[Search a 2D Matrix II](https://leetcode.com/problems/search-a-2d-matrix-ii/)\|[JavaScript](./src/search-a-2d-matrix-ii/res.js) ·[TypeScript](./src/search-a-2d-matrix-ii/res.ts)\| Medium\|`

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`@@ -0,0 +1,33 @@`
	`1`	`+/**`
	`2`	`+ * Definition for a binary tree node.`
	`3`	`+ * class TreeNode {`
	`4`	`+ * val: number`
	`5`	`+ * left: TreeNode \| null`
	`6`	`+ * right: TreeNode \| null`
	`7`	`+ * constructor(val?: number, left?: TreeNode \| null, right?: TreeNode \| null) {`
	`8`	`+ * this.val = (val===undefined ? 0 : val)`
	`9`	`+ * this.left = (left===undefined ? null : left)`
	`10`	`+ * this.right = (right===undefined ? null : right)`
	`11`	`+ * }`
	`12`	`+ * }`
	`13`	`+ */`
	`14`	`+`
	`15`	`+constgetTreeList=(root:TreeNode\|null):number[]=>{`
	`16`	`+if(!root){`
	`17`	`+return[];`
	`18`	`+}`
	`19`	`+`
	`20`	`+constresult=[];`
	`21`	`+`
	`22`	`+result.push(...getTreeList(root.left));`
	`23`	`+result.push(root.val);`
	`24`	`+result.push(...getTreeList(root.right));`
	`25`	`+`
	`26`	`+returnresult;`
	`27`	`+}`
	`28`	`+`
	`29`	`+functionkthSmallest(root:TreeNode\|null,k:number):number{`
	`30`	`+constresult=getTreeList(root);`
	`31`	`+`
	`32`	`+returnresult[k-1];`
	`33`	`+};`

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