Top 50 Searching Coding Problems for Interviews
Last Updated :
24 Feb, 2025
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Searching in Data Structures and Algorithms (DSA) is a fundamental operation that involves finding a specific element within a collection of data. In our article "Top 50 Searching Coding Problems for Interviews", we present a collection of essential coding challenges focused on searching algorithms. These problems are carefully selected to help you sharpen your problem-solving skills and prepare effectively for interviews.
Easy Problems
- Missing Number
- Second Largest
- Common Elements in three Sorted
- Transition point in a binary array
- Floor in a Sorted Array
- Pair with the given difference
- Square root of an integer
- Rotation Count in Rotated Sorted Array
- Matrix Sorted Search
- Bitonic Peak Search using Binary Search
Medium Problems
- Search in Rotated Sorted Array
- Majority Element
- K’th Smallest/Largest in Unsorted Array
- Count Frequency in Sorted Array
- Minimum Platforms (Set-Based Approach)
- Peak Element Search
- Book Allocation Problem
- Smallest Missing Positive
- Find all triplets with zero sum
- First & Last Position in Sorted Array
- Matrix Sorted Search
- Find Two Repeating Elements
- Single Element in Sorted Array
- Two elements with sum closest to zero
- Count ≤ Elements from 2nd Array
- Smallest Number with n Factorial Zeros
- Find k-th smallest element in given n ranges
- Minimum Repeats for Substring
- Remove Coins for ≤ K Difference
- Super Prime
- Capacity To Ship Packages Within D Days
- Count Pairs with Sum > 0
- Minimum Repeats for Substring
- Farthest Smaller Element Right
- Ternary Search
- Distribute N candies among K people
- Smallest Difference Triplet from Three arrays
- Minimize Tower Equalization Cost
- Numbers whose factorials end with n zeros
- Maximum Modulo Pair
Hard Problems
- Median of two Sorted Arrays
- Painter's Partition (Binary Search)
- Median in row wise sorted matrix
- Aggressive Cows Problem
- Split Array to Minimize Max Sum
- Kth Smallest Number in Multiplication Table
- Count Numbers with Digit Sum Difference
- Minimum time to fulfil all orders
- Maximize Min Flower Height
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