More Problems

• Rearrange an array such that the first half is sorted in ascending order and the second half is sorted in descending order.
• Given an array, find the number of subarrays where the sum of the elements is a prime number.
• Given an array, find the longest subsequence where the difference between consecutive elements is constant.
• Find the maximum difference between two elements in an array such that the larger element appears after the smaller element.
• Rearrange an array such that all negative numbers appear before positive numbers, keeping their relative order intact.
• Find the minimum number of operations required to make all elements of an array equal using only increment and decrement operations.
• Given an array of integers, find the longest subarray where the sum is divisible by a given number k.
• Find the maximum sum of a subarray of size k using a sliding window and dynamic programming approach.