:type nums: List[int] :rtype: void Do not return anything, modify nums in-place instead.

:type head: ListNode :rtype: ListNode

:type nums: List[int] :rtype: TreeNode

:type head: ListNode :rtype: TreeNode

:type matrix: List[List[int]] :rtype: List[int]

Returns if there is any word in the trie that starts with the given prefix. :type prefix: str :rtype: bool

:type haystack: str :type needle: str :rtype: int

:type A: List[int] :rtype: int

:type nums: List[int] :type k: int :rtype: int

:type nums: List[int] :rtype: List[List[int]]

:type root: TreeNode :rtype: int

:type A: List[int] :rtype: int

:type grid: List[List[int]] :rtype: int

:type nums: List[int] :rtype: int

:type A: List[int] :type target: int :rtype: int

:type str: str :rtype: str

:type nums: List[int] :type k: int :rtype: List[int]

:type tree: List[int] :rtype: int

:type height: List[int] :rtype: int

:type numbers: List[int] :type target: int :rtype: List[int]

:type m: int :type n: int :rtype: int

:type obstacleGrid: List[List[int]] :rtype: int

:type nums: List[int] :rtype: void Do not return anything, modify nums in-place instead.

:type s: str :type wordDict: List[str] :rtype: bool

:type pattern: str :type str: str :rtype: bool

:type A: List[str] :type B: List[str] :rtype: List[str]

:type root: TreeNode :rtype: List[List[int]]