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Solving Algo
A Collection of Helpful Algorithmic Resources
Algo Deck
Arrays
Binary Search
Bit Manipulation
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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.
Latest Stories
100 Go Mistakes (2022)
100 Go Mistakes (2022)
Discussing the state of my future book: 100 Go Mistakes.
Teiva Harsanyi
Jun 23, 2021
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.
Teiva Harsanyi
Jun 27, 2020
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…
Alexander Ocsa
Jun 20, 2020
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.
Teiva Harsanyi
Feb 1, 2020
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
Teiva Harsanyi
Sep 30, 2018
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)).
Teiva Harsanyi
Sep 30, 2018
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].
Teiva Harsanyi
Sep 28, 2018
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…
Teiva Harsanyi
Sep 26, 2018
Form the Largest Number
Form the Largest Number
Given a list of non negative integers, arrange them such that they form the largest number.
Teiva Harsanyi
Sep 24, 2018
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…
Teiva Harsanyi
Sep 23, 2018
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.
Teiva Harsanyi
Sep 23, 2018
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
Teiva Harsanyi
Sep 22, 2018
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…
Teiva Harsanyi
Sep 22, 2018
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