Median and Kth of Two Sorted ArraysBinary Search Patterns

The Median and Kth of Two Sorted Arrays pattern applies when you need the Median and Kth of Two Sorted Arrays technique within the Binary Search Patterns pattern. Its time complexity is O(log(min(m, n))) and space complexity O(1). It is used in 2 problems on Thita, including Find K-th Smallest Pair Distance and Median of Two Sorted Arrays. Common variations are On Sorted Array/List and Find First/Last Occurrence.

Master the binary search approach to find median of two sorted arrays in O(log(min(m,n))) time.

Median and Kth of Two Sorted Arrays is one of the 5 subpatterns of the Binary Search Patterns pattern, which covers standard binary search, rotated arrays, first/last occurrence, and search on answer space. The whole pattern is about 2.5 hours of study. This subpattern is a depth topic for once the core techniques are automatic.

What Median and Kth of Two Sorted Arrays covers

Master binary search algorithms including standard search, rotated array search, search on answer space, and finding boundaries. Essential for efficient O(log n) solutions. Problems in this subpattern are usually searched for as median two sorted arrays, kth element, merge sorted arrays, binary search median, leetcode 4.

How to practise Median and Kth of Two Sorted Arrays on Thita.ai

Read the theory for Median and Kth of Two Sorted Arrays, then work the problems attached to it in the browser editor. Your solution runs against the problem's test cases, and the AI coach offers a hint about the technique you are missing rather than a finished solution. Progress is tracked per subpattern, so the Binary Search Patterns tracker shows this one as covered once you have solved its problems.

Other subpatterns in Binary Search Patterns

  • On Sorted Array/List Master standard binary search on sorted arrays. Learn search insert position, sqrt calculation, and 2D matrix search.
  • Find First/Last Occurrence Learn to find first and last occurrence of elements using binary search. Master lower bound and upper bound concepts.
  • Find Min/Max in Rotated Sorted Array Master binary search in rotated sorted arrays. Find minimum, search elements, and handle duplicates.
  • On Answer / Condition Function Learn binary search on answer space for optimization problems like Koko eating bananas and capacity to ship packages.

Related DSA patterns

Where to go next

Median and Kth of Two Sorted Arrays is one lesson in a 16-pattern DSA course. If you are preparing end to end, work the interview-critical patterns first and use the pattern sheet as the checklist; if you are here for one technique, the Binary Search Patterns guide is the shortest path back to the rest of it.

Preparing this lesson and its course outline.