Can you solve this real interview question? Find Minimum Operations to Make All Elements Divisible by Three - You are given an integer array nums. In one operation, you can add or subtract 1 from any element of nums.

Return the minimum number of operations…

Can you solve this real interview question? Minimum Sum of Four Digit Number After Splitting Digits - You are given a positive integer num consisting of exactly four digits. Split num into two new integers new1 and new2 by using the digits found in num. Leading…

Can you solve this real interview question? Find the Divisibility Array of a String - You are given a 0-indexed string word of length n consisting of digits, and a positive integer m.

The divisibility array div of word is an integer array of length n such…

Can you solve this real interview question? Convert 1D Array Into 2D Array - You are given a 0-indexed 1-dimensional (1D) integer array original, and two integers, m and n. You are tasked with creating a 2-dimensional (2D) array with m rows and n columns…

Can you solve this real interview question? Height Checker - A school is trying to take an annual photo of all the students. The students are asked to stand in a single file line in non-decreasing order by height. Let this ordering be represented by the integer…

Can you solve this real interview question? Sum of Squares of Special Elements - You are given a 1-indexed integer array nums of length n.

An element nums[i] of nums is called special if i divides n, i.e. n % i == 0.

Return the sum of the squares of all…

Can you solve this real interview question? Search in Rotated Sorted Array - There is an integer array nums sorted in ascending order (with distinct values).

Prior to being passed to your function, nums is possibly left rotated at an unknown index k (1 <=…

Can you solve this real interview question? Find First and Last Position of Element in Sorted Array - Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value.

If target is not found in…

Can you solve this real interview question? Count Primes - Given an integer n, return the number of prime numbers that are strictly less than n.

 

Example 1:


Input: n = 10
Output: 4
Explanation: There are 4 prime numbers less than 10, they are 2, 3, 5…

Can you solve this real interview question? Non-decreasing Array - Given an array nums with n integers, your task is to check if it could become non-decreasing by modifying at most one element.

We define an array is non-decreasing if nums[i] <= nums[i +…

Can you solve this real interview question? Assign Cookies - Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most one cookie.

Each child i has a greed factor g[i], which is the minimum size…

Can you solve this real interview question? Reverse Vowels of a String - Given a string s, reverse only all the vowels in the string and return it.

The vowels are 'a', 'e', 'i', 'o', and 'u', and they can appear in both lower and upper cases, more than once.…

Can you solve this real interview question? Find the Difference - You are given two strings s and t.

String t is generated by random shuffling string s and then add one more letter at a random position.

Return the letter that was added to t.

 

Example…

Can you solve this real interview question? Fibonacci Number - 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 ones, starting from 0 and 1. That is,


F(0)…

Can you solve this real interview question? Monotonic Array - An array is monotonic if it is either monotone increasing or monotone decreasing.

An array nums is monotone increasing if for all i <= j, nums[i] <= nums[j]. An array nums is monotone decreasing…

Can you solve this real interview question? Check If N and Its Double Exist - Given an array arr of integers, check if there exist two indices i and j such that :

* i != j
* 0 <= i, j < arr.length
* arr[i] == 2 * arr[j]

 

Example 1:


Input: arr = [10…