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Binary Search Interview Questions

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

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Array (178)Backtracking (17)BFS (23)Binary Search (34)Binary Tree (13)Bit Manipulation (16)Breadth-First Search (20)Counting (7)Data Stream (6)Database (6)Depth-First Search (27)Design (37)DFS (24)Divide and Conquer (7)Doubly-Linked List (5)DP (10)Dynamic Programming (39)Graph (6)Graph Theory (13)Greedy (31)Hash Table (87)Heap (12)Heap (Priority Queue) (13)Linked List (15)Math (32)Matrix (22)Monotonic Stack (6)Ordered Set (8)Prefix Sum (11)Queue (10)Recursion (7)Simulation (11)Sliding Window (21)Sorting (45)Stack (24)String (85)Topological Sort (6)Tree (30)Trie (10)Two Pointers (30)Union-Find (13)
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✓ 0ProblemDifficultyCompaniesBreakdown / SolutionLeetCode
Median of Two Sorted ArraysHard7 companiesView breakdown →
Search in Rotated Sorted ArrayMedium5 companiesView breakdown →
Find First and Last Position of Element in Sorted ArrayMedium3 companiesView breakdown →
Snapshot ArrayMedium3 companiesView breakdown →
Time Based Key-Value StoreMedium5 companiesView breakdown →
Two Sum II - Input Array Is SortedMedium3 companiesView breakdown →
Koko Eating BananasMedium3 companiesView breakdown →
Design Hit CounterMedium3 companiesView breakdown →
Split Array Largest SumHard3 companiesView breakdown →
Partition Array Into Two Arrays to Minimize Sum DifferenceHard1 companiesView breakdown →
Binary SearchEasy1 companiesView breakdown →
Longest Increasing SubsequenceMedium1 companiesView breakdown →
Maximum Value at a Given Index in a Bounded ArrayMedium1 companiesView breakdown →
Binary Searchable Numbers in an Unsorted ArrayMedium1 companiesView breakdown →
Building BoxesHard1 companiesView breakdown →
Capacity To Ship Packages Within D DaysMedium1 companiesView breakdown →
Find Minimum in Rotated Sorted ArrayMEDIUM1 companiesView breakdown →
Find Peak ElementMEDIUM1 companiesView breakdown →
Find the Duplicate NumberMEDIUM1 companiesView breakdown →
Find K Closest ElementsMEDIUM1 companiesView breakdown →
Find the Safest Path in a GridMEDIUM1 companiesView breakdown →
Max Consecutive Ones IIIMEDIUM1 companiesView breakdown →
Minimum Size Subarray SumMEDIUM1 companiesView breakdown →
Minimum Removals to Balance ArrayMEDIUM1 companiesView breakdown →
Maximum Coins From K Consecutive BagsMEDIUM1 companiesView breakdown →
Number of Flowers in Full BloomHARD1 companiesView breakdown →
Search a 2D MatrixMEDIUM1 companiesView breakdown →
Search Insert PositionEASY1 companiesView breakdown →
Sqrt(x)Easy1 companiesView breakdown →
Subarray Product Less Than KMEDIUM1 companiesView breakdown →
Last Day Where You Can Still CrossHARD1 companiesView breakdown →
Leftmost Column with at Least a OneMEDIUM1 companiesView breakdown →
Russian Doll EnvelopesHARD1 companiesView breakdown →
Missing NumberEasy4 companiesView breakdown →

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