How to Find Root of N-Ary Tree using the Hash Set?
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. …
Tag: c++
Can We Make Arithmetic Progression From Sequence of Numbers?
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 …
Function to Compute the Average Salary Excluding the Minimum and Maximum Salary
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 …
Efficient Algorithms to Compute The kth Factor of a Natural Number N
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 …
Dynamic Programming Algorithm to Compute the Max Dot Product of Two Subsequences
Given two arrays nums1 and nums2. Return the maximum dot product between non-empty subsequences of nums1 and nums2 with the same length. A subsequence of a array is a …