Solving Algo

Given two unsorted arrays of integers, find the only element in the second array that does not appear in the first array.

Hello!! my name is Alexander Ocsa and having come from Arequipa-Peru, I have an immense affection for my roots. I was born in a small town…

I wanted to let you know that I just released Algo Deck. It is a free & open-source collection of +200 algorithmic cards.

Given an array of n + 1 integers between 1 and n, find one of the duplicates. If there are multiple possible answers, return one of the

Implement sqrt(int a). If a is not a perfect square, return floor(sqrt(a)).

Given an array A of integers, find the maximum of j — i subjected to the constraint of A[i] <= A[j].

A hotel manager has to process N bookings of rooms for the next season. His hotel has K rooms. Bookings contain an arrival date and…

Given a list of non negative integers, arrange them such that they form the largest number.

Given an integer array, find if an integer p exists in the array such that the number of integers greater than p in the array equals to…

Given an array of integers, every element appears thrice except for one which occurs once. Find that element which does not appear thrice.

Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example given the array

You are in an infinite 2D grid where you can move in any of the 8 directions: (x,y) to (x+1, y), (x — 1, y), (x, y+1), (x, y-1), (x-1…