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Consider, you and your friend 馃懎 have created a walking game. It has few rules: The player has to start from a specific position called origin (where x=0). The player has to choose a number x from 0 to 100 (for example). If the value of x is even: ...
Welcome back to yet another tutorial of the series "recursion". Now that you have a idea of what recursion is, lets dive deep into solving some easy problems of leetcode on this particular topic. Leetcode problem number 231 Problem statement: Giv...
In the last blog, we solved leetcode problem titled as "Power of two". The problem we are going to solve in this blog and the next one is quite similar. Leetcode problem number: 326 Problem statement: Given an integer n, return true if it is a po...
In this article, we will solve Leetcode problem number: 509. Fibonacci Number Problem statement: The Fibonacci numbers, commonly denoted F(n) form a sequence, called the Fibonacci sequence, such that each number is the sum of the two preceding one...
In this tutorial we are going to solve Leetcode Problem number 344. Reverse String Problem statement: Write a function that reverses a string. The input string is given as an array of characters s. You must do this by modifying the input array in-p...
In previous tutorials, we have solved some basic level problems on recursion. Hopefully, by now you must have understood how to approach the problem on recursion馃槑. In this tutorial we are going to solve a medium level problem Permutations of a given...