0004. Median of Two Sorted Arrays
Hard — Array, Binary Search, Divide and Conquer
← 0003. Longest Substring
0005. Longest Palindromic Substring →
Merge & Find
Binary Search (Optimal)
nums1:
nums2:
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Size:
3
4
5
6
[1,3] + [2] = 2.0
[1,2] + [3,4] = 2.5
[0,0] + [0,0] = 0.0
[1,3,5,7] + [2,4,6,8] = 4.5
[2] + [] = 2.0
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Median
Comparing
Algorithm Complexity
Brute Force (Merge)
O((m+n)log(m+n))
O((m+n)log(m+n)) / O(m+n)
Binary Search
O(log(min(m,n)))
O(log(min(m,n))) / O(1)