Given an integer array representing the heights of N buildings, the task is to delete N-2 buildings such that the water that can be trapped between the remaining two building is maximum. Maximum Water Between Two Buildings Disclaimer: This probl... Read more

You are given an array arr[] of N integers including 0. The task is to find the smallest positive number missing from the array. Example 1: Input: N = 5 arr[] = {1,2,3,4,5} Output: 6 Smallest Positive missing number in Java Discla... Read more

Given an array arr[] of size N and an element k. The task is to find all elements in array that appear more than n/k times. Example 1: Input: N = 8 arr[] = {3,1,2,2,1,2,3,3} k = 4 Output: 2 Disclaimer: This problem() is originally created by Gee... Read more

Given an unsorted array A of size N that contains only non-negative integers, find a continuous sub-array which adds to a given number S and return the left and right index of that subarray. In case of multiple... Read more

Given two sorted arrays of sizes N and M respectively. The task is to find the median of the two arrays when they get merged.If there are even number of elements in the resulting array, find the floor of the average of two medians. Example 1: In... Read more