In the realm of Data Structures and Algorithms (DSA), arrays are one of the fundamental data types. They allow us to store a fixed-size sequential collection of elements of the same type. While ...

Suppose you have an array of n elements. And Q queries, each characterised by - left and right. In one query, you must add 1 to every number from left to right. If N and Q are both 10^5, then you will ...

The goal is to find the minimum number of elements to remove from a given array in order to make the entire array sorted in non-decreasing order. The solution needs to identify and utilize already ...