Top 50 Searching Coding Problems for Interviews

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. By tackling these challenges, you can enhance your understanding of searching algorithms and boost your confidence in coding interviews. Let’s begin on this journey together and master the art of searching algorithms by solving Top Searching Problems!

Top 50 Searching Coding Problems for Interviews

Searching Coding Problems for Interviews: Level 1

Problems	Solve
Find the Missing Number	Solve
Find Second largest element in an array	Solve
Find common elements in three sorted arrays	Solve
Find the transition point in a binary array	Solve
Floor in a Sorted Array	Solve
Find a pair with the given difference	Solve
Square root of an integer	Solve
Find the Rotation Count in Rotated Sorted Array	Solve
Search in a row wise and column wise sorted matrix	Solve
Find the maximum element in an array which is first increasing and then decreasing	Solve

Searching Coding Problems for Interviews: Level 2

Problems	Solve
Search an element in a sorted and rotated Array	Solve
Majority Element	Solve
K’th Smallest/Largest Element in Unsorted Array	Solve
Count number of occurrences (or frequency) in a sorted array	Solve
Minimum Number of Platforms Required for a Railway/Bus Station | Set 2 (Set based approach)	Solve
Find a peak element which is not smaller than its neighbours	Solve
Allocate Minimum Number of Pages from N books to M students	Solve
Find the smallest positive number missing from an unsorted array | Set 1	Solve
Find all triplets with zero sum	Solve
Find first and last positions of an element in a sorted array	Solve
Search in a row wise and column wise sorted matrix	Solve
Find the two repeating elements in a given array	Solve
Find the element that appears once in a sorted array	Solve
Two elements whose sum is closest to zero	Solve
For each element in 1st array count elements less than or equal to it in 2nd array	Solve
Smallest number with at least n trailing zeroes in factorial	Solve
Find k-th smallest element in given n ranges	Solve
Minimum number of times A has to be repeated such that B is a substring of it	Solve
Remove Minimum coins such that absolute difference between any two piles is less than K	Solve
Super Prime	Solve
Capacity To Ship Packages Within D Days	Solve
Number of pairs in an array with the sum greater than 0	Solve
Minimum number of times A has to be repeated such that B is a substring of it	Solve
Find the farthest smaller number in the right side	Solve
Ternary Search	Solve
Distribute N candies among K people	Solve
Smallest Difference Triplet from Three arrays	Solve
Minimize cost of operation to equalize tower heights	Solve
Numbers whose factorials end with n zeros	Solve
Maximum modulo of all the pairs of array where arr[i] >= arr[j]	Solve

Searching Coding Problems for Interviews: Level 3

Problems	Solve
Median of two Sorted Arrays of Different Sizes	Solve
The Painter’s Partition Problem using Binary Search	Solve
Find median in row wise sorted matrix	Solve
Assign stalls to K cows to maximize the minimum distance between them	Solve
Split into K subarrays to minimize the maximum sum of all subarrays	Solve
Kth Smallest Number in Multiplication Table	Solve
Count numbers with difference between number and its digit sum greater than specific value	Solve
Minimum time to fulfil all orders	Solve
Maximizing Smallest Flower Height in Garden with Watering Constraint	Solve
Assign stalls to K cows to maximize the minimum distance between them	Solve