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Binary Search Interview Questions

44 Binary Search problems asked across FAANG and top tech companies. Approach hints, optimal solutions, and related problems.

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Binary Search 44
Binary SearchClear all
4.Median of Two Sorted Arrays
ArrayBinary SearchDivide and Conquer
Hard+5▶ Mock
33.Search in Rotated Sorted Array
ArrayBinary Search
Medium+5▶ Mock
34.Find First and Last Position of Element in Sorted Array
ArrayBinary Search
Medium+1▶ Mock
1146.Snapshot Array
ArrayHash TableBinary Search
Medium▶ Mock
981.Time Based Key-Value Store
Hash TableStringBinary Search
Medium+1▶ Mock
167.Two Sum II - Input Array Is Sorted
ArrayTwo PointersBinary Search
Medium▶ Mock
875.Koko Eating Bananas
ArrayBinary Search
Medium▶ Mock
362.Design Hit Counter
ArrayBinary SearchDesign
Medium▶ Mock
410.Split Array Largest Sum
ArrayBinary SearchDynamic Programming
Hard▶ Mock
2035.Partition Array Into Two Arrays to Minimize Sum Difference
ArrayBinary SearchDynamic Programming
Hard▶ Mock
704.Binary Search
ArrayBinary Search
Easy▶ Mock
300.Longest Increasing Subsequence
ArrayBinary SearchDynamic Programming
Medium▶ Mock
1802.Maximum Value at a Given Index in a Bounded Array
MathBinary SearchGreedy
Medium▶ Mock
1966.Binary Searchable Numbers in an Unsorted Array
ArrayBinary SearchStack
Medium▶ Mock
1739.Building Boxes
MathBinary SearchGreedy
Hard▶ Mock
1011.Capacity To Ship Packages Within D Days
ArrayBinary Search
Medium▶ Mock
153.Find Minimum in Rotated Sorted Array
ArrayBinary Search
Medium▶ Mock
162.Find Peak Element
ArrayBinary Search
Medium▶ Mock
287.Find the Duplicate Number
ArrayTwo PointersBinary Search
Medium▶ Mock
658.Find K Closest Elements
ArrayTwo PointersBinary Search
Medium▶ Mock
2812.Find the Safest Path in a Grid
ArrayBinary SearchBreadth-First Search
Medium▶ Mock
1004.Max Consecutive Ones III
ArrayBinary SearchSliding Window
Medium▶ Mock
209.Minimum Size Subarray Sum
ArrayBinary SearchSliding Window
Medium▶ Mock
3634.Minimum Removals to Balance Array
ArrayBinary SearchSliding Window
Medium▶ Mock
3413.Maximum Coins From K Consecutive Bags
ArrayBinary SearchGreedy
Medium▶ Mock
2251.Number of Flowers in Full Bloom
ArrayHash TableBinary Search
Hard▶ Mock
74.Search a 2D Matrix
ArrayBinary SearchMatrix
Medium▶ Mock
35.Search Insert Position
ArrayBinary Search
Easy▶ Mock
69.Sqrt(x)
MathBinary SearchNewton's Method
Easy▶ Mock
713.Subarray Product Less Than K
ArrayBinary SearchSliding Window
Medium▶ Mock
1970.Last Day Where You Can Still Cross
ArrayBinary SearchDepth-First Search
Hard▶ Mock
1428.Leftmost Column with at Least a One
ArrayBinary SearchMatrix
Medium▶ Mock
354.Russian Doll Envelopes
ArrayBinary SearchDynamic Programming
Hard▶ Mock
Missing Number
ArrayHash TableMath
Easy▶ Mock
240.Search a 2D Matrix II
ArrayBinary SearchDivide and Conquer
Medium▶ Mock
475.Heaters
ArrayTwo PointersBinary Search
Medium▶ Mock
528.Random Pick with Weight
ArrayMathBinary Search
Medium▶ Mock
1055.Shortest Way to Form String
Two PointersStringBinary Search
Medium▶ Mock
1235.Maximum Profit in Job Scheduling
ArrayBinary SearchDynamic Programming
Hard▶ Mock
1482.Minimum Number of Days to Make m Bouquets
ArrayBinary Search
Medium▶ Mock
1648.Sell Diminishing-Valued Colored Balls
ArrayMathBinary Search
Medium▶ Mock
1751.Maximum Number of Events That Can Be Attended II
ArrayBinary SearchDynamic Programming
Hard▶ Mock
2439.Minimize Maximum of Array
ArrayBinary SearchDynamic Programming
Medium▶ Mock
3161.Block Placement Queries
ArrayBinary SearchBinary Indexed Tree
Hard▶ Mock

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