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34 lines
625 B
34 lines
625 B
21. Merge Two Sorted Lists
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Easy
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You are given the heads of two sorted linked lists list1 and list2.
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Merge the two lists in a one sorted list. The list should be made by splicing together the nodes of the first two lists.
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Return the head of the merged linked list.
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Example 1:
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Input: list1 = [1,2,4], list2 = [1,3,4]
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Output: [1,1,2,3,4,4]
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Example 2:
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Input: list1 = [], list2 = []
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Output: []
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Example 3:
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Input: list1 = [], list2 = [0]
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Output: [0]
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Constraints:
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The number of nodes in both lists is in the range [0, 50].
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-100 <= Node.val <= 100
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Both list1 and list2 are sorted in non-decreasing order.
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