In a sorted array arr[], the upper bound of x is the index of the first element that is strictly…

Given a sorted array arr[] and an integer x, find the index (0-based) of the largest element in arr[] that is less than…

Given an array of integers nums which is sorted in ascending order, and an integer target, write a function to search target in nums. If target exists, then…

You’re given an integer array nums of length n.An element is called a majority element II if it appears strictly…

Given an array arr[] of size n, an element is called an Array Leaders if it is greater than or…

The “Majority Element” problem (LeetCode #169) asks you to find the value that appears strictly more than ⌊ n /…

LeetCode “Sort Colors” (#75) asks you to sort an array that contains only three distinct values—0, 1, and 2—so that…

You’re asked to sort an array using Insertion Sort, but instead of the classic iterative two-loop approach, you must implement…

You’re given an unsorted array of integers and asked to sort it in non-decreasing order using Bubble Sort, but implemented…

The GeeksforGeeks problem “Sum of first n terms” asks you to compute the value of and return the result. All…