Top 50 Array Coding Problems for Interviews Last Updated : 21 Mar, 2024 Improve Improve Like Article Like Save Share Report Here is the collection of the Top 50 list of frequently asked interview questions on arrays. Problems in this Article are divided into three Levels so that readers can practice according to the difficulty level step by step. Level 1 Problems Solve Find a peak element which is not smaller than its neighbors Solve Find the minimum and maximum element in an array Solve Write a program to reverse the array Solve Write a program to sort the given array Solve Find the Kth largest and Kth smallest number in an array Solve Find the occurrence of an integer in the array Solve Sort the array of 0s, 1s, and 2s Solve Subarray with given Sum Solve Move all the negative elements to one side of the array Solve Find the Union and Intersection of the two sorted arrays Solve Level 2 Problems Solve Write a program to cyclically rotate an array by one Solve Find the missing integer Solve Count Pairs with the given sum Solve Find duplicates in an array Solve Sort an Array using the Quicksort algorithm Solve Find common elements in three sorted arrays Solve Find the first repeating element in an array of integers Solve Find the first non-repeating element in a given array of integers Solve Subarrays with equal 1s and 0s Solve Rearrange the array in alternating positive and negative items Solve Find if there is any subarray with a sum equal to zero Solve Find the Largest sum contiguous Subarray Solve Find the factorial of a large number Solve Find Maximum Product Subarray Solve Find the longest consecutive subsequence Solve Find the minimum element in a rotated and sorted array Solve Max sum in the configuration Solve Minimum Platforms Solve Minimize the maximum difference between the heights Solve Minimum number of jumps to reach the end Solve Stock Span problem Solve Find a triplet that sums to a given value Solve Smallest positive missing number Solve Find the row with a maximum number of 1’s Solve Print the matrix in a Spiral manner Solve Find whether an array is a subset of another array Solve Implement two Stacks in an array Solve Majority Element Solve Wave Array Solve Trapping Rainwater Solve Level 3 Problems Solve Maximum Index Solve Max sum path in two arrays Solve Find Missing And Repeating Solve Stock buy and sell Problem Solve Pair with the given sum in a sorted array Solve Chocolate Distribution Problem Solve Partition Equal Subset Sum Solve Smallest Positive integer that can’t be represented as a sum Solve Coin Change Problem Solve Longest Alternating subsequence Solve  Related Articles: Top 50 String Coding Problems for Interviews Top 50 Tree Coding Problems for Interviews Top 50 Graph Coding Problems for Interviews Top 50 Dynamic Programming Coding Problems for Interviews Top 50 Sorting Coding Problems for Interviews Top 50 Searching Coding Problems for Interviews Top 50 Binary Search Tree Coding Problems for Interviews Some other important Tutorials: DSA Tutorial System Design Tutorial Software Development Roadmap Roadmap to become a Product Manager Learn SAPinterview questions Learn SEO Recommended Track your progress and attempt this list on GfG Practice. Solve Problems Like Article Suggest improvement Previous Smallest Difference Triplet from Three arrays Share your thoughts in the comments Add Your Comment Please Login to comment...