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寻找两个正序数组的中位数 #162

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@sisterAn

给定两个大小分别为 m 和 n 的正序(从小到大)数组 nums1 和 nums2。请你找出并返回这两个正序数组的 中位数 。

示例 1:

输入:nums1 = [1,3], nums2 = [2]
输出:2.00000
解释:合并数组 = [1,2,3] ,中位数 2

示例 2:

输入:nums1 = [1,2], nums2 = [3,4]
输出:2.50000
解释:合并数组 = [1,2,3,4] ,中位数 (2 + 3) / 2 = 2.5

示例 3:

输入:nums1 = [0,0], nums2 = [0,0]
输出:0.00000

示例 4:

输入:nums1 = [], nums2 = [1]
输出:1.00000

示例 5:

输入:nums1 = [2], nums2 = []
输出:2.00000

提示:

  • nums1.length == m
  • nums2.length == n
  • 0 <= m <= 1000
  • 0 <= n <= 1000
  • 1 <= m + n <= 2000
  • -106 <= nums1[i], nums2[i] <= 106

**进阶:**你能设计一个时间复杂度为 O(log (m+n)) 的算法解决此问题吗?

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