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An Open-Source Collection of +200 Algorithmic Flash Cards to Help you Preparing your Algorithm & Data Structure Interview. +3k ⭐ on Github.
An Open-Source Collection of +200 Algorithmic Flash Cards to Help you Preparing your Algorithm & Data Structure Interview. +3k ⭐ on Github.
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Find the Element that Appears Once

Find the Element that Appears Once

Given two unsorted arrays of integers, find the only element in the second array that does not appear in the first array.
Go to the profile of Teiva Harsanyi
Teiva Harsanyi
About me and my path in Computer Science

About me and my path in Computer Science

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…
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Alexander Ocsa
Releasing Algo Deck an Open Source Collection of Algorithmic Cards

Releasing Algo Deck an Open Source Collection of Algorithmic Cards

I wanted to let you know that I just released Algo Deck. It is a free & open-source collection of +200 algorithmic cards.
Go to the profile of Teiva Harsanyi
Teiva Harsanyi
Find a Duplicate in an Array

Find a Duplicate in an Array

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
Go to the profile of Teiva Harsanyi
Teiva Harsanyi
Calculate the Square Root of an Integer

Calculate the Square Root of an Integer

Implement sqrt(int a). If a is not a perfect square, return floor(sqrt(a)).
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Teiva Harsanyi
Calculate the Max Distance in an Array

Calculate the Max Distance in an Array

Given an array A of integers, find the maximum of j — i subjected to the constraint of A[i] <= A[j].
Go to the profile of Teiva Harsanyi
Teiva Harsanyi
Possible Hotel Bookings

Possible Hotel Bookings

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…
Go to the profile of Teiva Harsanyi
Teiva Harsanyi
Form the Largest Number

Form the Largest Number

Given a list of non negative integers, arrange them such that they form the largest number.
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Teiva Harsanyi
Find the Noble Integer

Find the Noble Integer

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…
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Teiva Harsanyi
Find the Single Number

Find the Single Number

Given an array of integers, every element appears thrice except for one which occurs once. Find that element which does not appear thrice.
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Teiva Harsanyi
Find the Maximum Sum of a Contiguous Subarray

Find the Maximum Sum of a Contiguous Subarray

Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example given the array
Go to the profile of Teiva Harsanyi
Teiva Harsanyi
Find the Minimum Number of Steps in an Infinite Grid

Find the Minimum Number of Steps in an Infinite Grid

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…
Go to the profile of Teiva Harsanyi
Teiva Harsanyi
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