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寻找两个正序数组的中位数 #162

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@sisterAn

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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?

leetcode

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