Category: algorithms

Given a binary string s (a string consisting only of ‘0’ and ‘1’s). Return the number of substrings with all characters 1’s. Since the answer may be too large, …

Given all the nodes of an N-ary tree as an array Node tree where each node has a unique value. Find and return the root of the N-ary tree. …

Given an array of numbers arr. A sequence of numbers is called an arithmetic progression if the difference between any two consecutive elements is the same. Return true if …

Given an array of unique integers salary where salary is the salary of the employee i. Return the average salary of employees excluding the minimum and maximum salary. Example …

Given two positive integers n and k. A factor of an integer n is defined as an integer i where n % i == 0. Consider a list of …