Combination Sum Leetcode Solution

The problem Combination Sum Leetcode Solution provides us an array or list of integers and a target. We are told to find the combinations that can be made using these integers any number of times that add up to the given target. So more formally, we can use the given …

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Convert Sorted Array to Binary Search Tree Leetcode Solution

Consider we are given a sorted array of integers. The goal is to build a Binary Search Tree from this array such that the tree is height-balanced. Note that a tree is said to be height-balanced if the height difference of left and right subtrees of any node in the …

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Count Number of Occurrences in a Sorted Array

Problem Statement   In the “Count Number of Occurrences in a Sorted Array” problem, we have given a sorted array. Count the number of occurrences or frequency in a sorted array of X where X is an integer. Example   Input 13 1 2 2 2 2 3 3 3 4 4 …

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