Rearrange an array in maximum minimum form leetcode. You are given an integer array heights Can you solve this real interview question? Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. A 0-indexed integer array nums of length n + 1 is generated in the following way: * nums [0] = 0 * nums [1] = 1 * nums [2 * i] = nums [i] when 2 <= 2 * i <= n * nums [2 * i + 1] = nums [i] + nums [i + 1] when 2 <= 2 * i + 1 <= n Return the maximum integer in the array nums . Doubly Linked List 5. We split arr into some number of chunks (i. Initially, all servers are free, and the queue is empty. Return the minimum number Count how many times each number appears. You are given two distinct 0-indexed integer arrays nums1 and nums2, where nums1 is a subset of nums2. Step 2: In the setmini function: Can you solve this real interview question? Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. Given an array of distinct integers arr, find all pairs of elements with the minimum absolute difference of any two elements. In one operation you can replace any element of the array with any two elements that sum to it. You have an integer array initial of the same size as target with all elements initially zeros. Can you solve this real interview question? Minimum Number of Moves to Seat Everyone - There are n availabe seats and n students standing in a room. Jul 23, 2025 · Now an array element is needed that can store two different values at the same time. In one operation, you can swap the values of any two indices of nums1. Return a list of the target indices of nums after sorting nums in non-decreasing order. Read N Characters Given Read4 🔒 Can you solve this real interview question? Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. First method is extrem We are going to solve Questions from GeeksforGeeks Rearrange Array Alternately in O (N) Time Complexity and O (1) space Complexity. Return the maximum possible value of nums[0] | nums[1] | | nums[n - 1] that can be obtained after applying the operation on nums at most k times. Median of Two Sorted Arrays. * For example, consider nums = [5,6,7]. You must solve the problem without using any built-in functions in O(nlog(n)) time complexity and with the smallest space complexity possible. Maximum Product Subarray 153. Example 1: Input: nums = [5,2,3,1] Output: [1,2,3,5] Explanation: After sorting the array, the positions of Can you solve this real interview question? Maximum Points You Can Obtain from Cards - There are several cards arranged in a row, and each card has an associated number of points. You can take some letters from s and rearrange them to form new strings. * Choose two different indices i, j, from nums and increase nums[i] and nums[j] by 1 for Can you solve this real interview question? Minimum Size Subarray Sum - Given an array of positive integers nums and a positive integer target, return the minimal length of a subarray whose sum is greater than or equal to target. We are going to construct a binary search tree (BST) by inserting the elements of nums in order into an initially empty BST. Circular Singly Linked List 6. 11. Queues 8. If there is no way to make arr1 strictly Can you solve this real interview question? Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. Return the maximum possible greatness you can achieve after permuting nums. * The cost Can you solve this real interview question? Minimum Number of Increments on Subarrays to Form a Target Array - You are given an integer array target. Can you solve this real interview question? Max Chunks To Make Sorted - You are given an integer array arr of length n that represents a permutation of the integers in the range [0, n - 1]. Return any possible rearrangement of s or return "" if not possible. Note that you must do this in-place without making a copy of the array. You can place cuboid i on cuboid j if widthi <= widthj and lengthi <= lengthj and heighti <= heightj. To achieve this, every element at ith index is incremented by (arr [arr [i]] % n)*n. Single Number 135. Binary Search Tree 10. Binary Tree 9. Do it without using any extra space. The cost of doing one operation on the ith element is cost[i]. Rearrange the values of nums according to the following rules: 1. e first element should be maximum value, second minimum value, third second max, fourth second min and so on. length and 0 <= j < arr2. Can you solve this real interview question? Maximum Difference Between Increasing Elements - Given a 0-indexed integer array nums of size n, find the maximum difference between nums [i] and nums [j] (i. Return the minimum possible value of the maximum integer of nums after performing any number of operations. Can you solve this real interview question? Smallest Value of the Rearranged Number - You are given an integer num. Can you solve this real interview question? Number of Ways to Reorder Array to Get Same BST - Given an array nums that represents a permutation of integers from 1 to n. Return the rearranged number with minimal value. 6. At . Return the XOR sum after the rearrangement. A subsequence of an array is a new array generated from the original array by deleting some elements (possibly none) without changing the remaining elements' relative order. Return the minimum difference between the largest and smallest value of nums after performing at most three moves. length - 1]. We repeatedly make duplicate removals on s until we no longer can. * For example, if nums = [4,1,2,3] before this step, it becomes [4,3,2,1] after. Example 1: Input: arr = [5,4,3,2,1], k = 1 Output: 4 Explanation: For k = 1, the resultant array has to be non-decreasing. Your task is to rearrange the array elements alternatively i. * Append words[i] to s. If a number appears n times, then n * (n – 1) // 2 good pairs can be made with this number. In an operation, you can choose an element and multiply it by 2. For chosen indices i0, i1, , ik - 1, your score is defined as: * The sum of the selected elements from nums1 multiplied with the minimum of the selected Rearrange an array in Max & Min Form | DSA | Programming Tutorials | GeeksforGeeks GeeksforGeeks 1M subscribers Subscribed Can you solve this real interview question? Maximum Number of Non-Overlapping Substrings - Given a string s of lowercase letters, you need to find the maximum number of non-empty substrings of s that meet the following conditions: 1. e. Find Complete Code at GeeksforGeeks Article: http://www. Sep 5, 2022 · Algorithm Initialize two pointers max_idx = N – 1 and min_idx =0 , where N is the size of the array. You can rearrange any cuboid's dimensions by Can you solve this real interview question? Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. An Anagram of a string is a string that contains the same characters with a different (or the Can you solve this real interview question? Minimum Changes To Make Alternating Binary String - You are given a string s consisting only of the characters '0' and '1'. In one operation, you can replace a character in s with another lowercase English letter. The Problem Statement You are given a 0-indexed array nums comprising of n non-negative integers. Return the maximum number of copies of target that can be formed by taking letters from s and rearranging them. You must choose a subsequence of indices from nums1 of length k. Your score is the sum of the points of the Can you solve this real interview question? Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. Move Zeroes - Given an integer array nums, move all 0's to the end of it while maintaining the relative order of the non-zero elements. A circular array is defined as an array where we consider the first element and the last element to be adjacent. Stacks 7. In one operation, you can replace any element in nums with any integer. The requests are assigned to servers according to a specific algorithm: * The ith (0-indexed Return the minimum number of operations required to make the array K-increasing for the given k. We define the greatness of nums be the number of indices 0 <= i < nums. Return the largest number of chunks we can Contiguous Array - Given a binary array nums, return the maximum length of a contiguous subarray with an equal number of 0 and 1. The list can be represented as: L0 → L1 → … → Ln - 1 → Ln Reorder the list to be on the following form: L0 → Ln → L1 → Ln - 1 → L2 → Ln - 2 → … You may not modify the values in the list's nodes. It's applied to arr1, and both the original and modified arrays are displayed in the console. Can you solve this real interview question? Remove All Adjacent Duplicates In String - You are given a string s consisting of lowercase English letters. Return the minimum total cost such that all the Can you solve this real interview question? Rearrange K Substrings to Form Target String - You are given two strings s and t, both of which are anagrams of each other, and an integer k. Each server has infinite computational capacity but cannot handle more than one request at a time. nums is considered continuous if both of the following conditions are fulfilled: * All elements in nums are unique. Return the minimum cost to make Can you solve this real interview question? Sort Array by Increasing Frequency - Given an array of integers nums, sort the array in increasing order based on the frequency of the values. In one operation, you are allowed to swap nums1[i] with nums2[i]. You can return the answer in any order. Candy 134. length <= 500 * s consists of lowercase English letters. In-depth solution and explanation for LeetCode 2587. Level up your coding skills and quickly land a job. Find the minimum total cost of performing the given operation any number of times such that nums1[i Can you solve this real interview question? Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. Find Minimum in Rotated Sorted Array II 155. Imagine an empty string s. 2. Note: You can initialise mx to any integer greater than the maximum element. Can you solve this real interview question? Apply Operations to an Array - You are given a 0-indexed array nums of size n consisting of non-negative integers. Sort the values at odd indices of nums in non-increasing order. Choose a subset of cuboids and place them on each other. If there is no such subarray, return 0 instead. In case of extra positive/negative numbers, they appear at the end of the array. Binary Tree Upside Down 🔒 157. 4. Example 1: Input: num = 310 Output: 103 Return the minimum number of operations required to make the array alternating. You are also given a 0-indexed 2D integer array, queries, where queries[i] = [ai, bi, ci, di]. Best Can you solve this real interview question? Minimum Difference Between Largest and Smallest Value in Three Moves - You are given an integer array nums. If no such i and j exists, return -1. Given a sorted array of positive integers. org/rearrange-array-maximum-minimum-form/Practice Problem Online Judge: https://practic Can you solve this real interview question? Minimum Swaps To Make Sequences Increasing - You are given two integer arrays of the same length nums1 and nums2. A target index is an index i such that nums[i] == target. Add Two Numbers. Your task is to determine whether it is possible to split the string s into k equal-sized substrings, rearrange the substrings, and concatenate them in any order to create a new string that matches the given Feb 10, 2025 · Check out C++, Java, Python, C#, PHP, and JavaScript programs here that help you rearrange an array in maximum minimum form using two approaches. j] and s[x. Matrix 3. Return the minimum total cost such that all the Given an integer array nums of size n, return the minimum number of moves required to make all array elements equal. Can you solve this real interview question? Max Consecutive Ones III - Given a binary array nums and an integer k, return the maximum number of consecutive 1's in the Problem Statement You are given a 0-indexed integer array nums of even length consisting of an equal number of positive and negative integers. For each 0 <= i < nums1. Read N Characters Given Read4 🔒 Can you solve this real interview question? Divide an Array Into Subarrays With Minimum Cost I - You are given an array of integers nums of length n. Can you solve this real interview question? Get Maximum in Generated Array - You are given an integer n. Best Time to Buy and Sell Stock III 122. Example 1: Input: nums = [3,1,3,2,4,3] Output: 3 Explanation: One way to make the array alternating is by converting it to [3,1,3,1,3,1]. In other words, prefix[i] is the sum of the elements from 0 to i in nums after rearranging it. For example, the cost of [1,2,3] is 1 while the cost of [3,4,1] is 3. A duplicate removal consists of choosing two adjacent and equal letters and removing them. After concatenating them, the result should equal the sorted array. Return the maximum possible length of s. May 26, 2022 · Given a sorted array of positive integers, rearrange the array alternately i. Longest Consecutive Sequence 123. You can choose any character of the string and change it to any other uppercase English character. Example 1: Input: nums = [0,1] Output: 2 Explanation: [0, 1] is the longest contiguous subarray with an equal number of 0 and 1. Longest Substring Without Repeating Characters. Return the minimum number of operations to form a target Can you solve this real interview question? Process Tasks Using Servers - You are given two 0-indexed integer arrays servers and tasks of lengths n and m respectively. The string is called alternating if no two adjacent characters are equal. Let prefix be the array containing the prefix sums of nums after rearranging it. Can you solve this real interview question? Filling Bookcase Shelves - You are given an array books where books[i] = [thicknessi, heighti] indicates the thickness and height of the ith book. The Minimum Window Substring - Given two strings s and t of lengths m and n respectively, return the minimum window substring of s such that every character in t (including duplicates) is included in the window. Zigzag Conversion. In one operation, we can replace nums[1] with 2 and 4 and convert nums to [5,2,4,7]. Perform some operations (possibly none) on arr so that it satisfies these conditions: * The value of the first element in arr must be 1. In one operation, you can choose two indices 0 <= i < arr1. Note that the input will be generated such that s can always be converted to a palindrome Can you solve this real interview question? Minimum Number of Increments on Subarrays to Form a Target Array - You are given an integer array target. If there are no target indices, return an empty list. servers[i] is the weight of the i th server, and tasks[j] is the time needed to process the j th task in seconds. geeksforgeeks. * For example, if nums1 = [1,2,3,8], and nums2 = [5,6,7,4], you can swap the element at i = 3 to obtain nums1 = [1,2,3,4] and nums2 = [5,6,7,8]. Return the minimum number of operations needed to make nums strictly increasing Jul 23, 2025 · Generate all possible sorted arrays from alternate elements of two given sorted arrays Minimum number of swaps required for arranging pairs adjacent to each other Convert array into Zig-Zag fashion Form minimum number from given sequence Replace two consecutive equal values with one greater Rearrange a binary string as alternate x and y occurrences Can you solve this real interview question? Rearrange Characters to Make Target String - You are given two 0-indexed strings s and target. You are also given the array students of length n, where students[j] is the position of the jth student. In one move, you can select any two adjacent characters of s and swap them. Can you solve this real interview question? Maximum XOR of Two Numbers in an Array - Given an integer array nums, return the maximum result of nums [i] XOR nums [j], where 0 <= i <= j < n. Return the length of the longest substring containing the same letter you can get after performing the above operations Reorder List - You are given the head of a singly linked-list. You should rearrange the elements of nums such that the modified array follows the given conditions: Every consecutive pair of integers have opposite signs. The cost of connecting two points [xi, yi] and [xj, yj] is the manhattan distance between them: |xi - xj| + |yi - yj|, where |val| denotes the absolute value of val. 10. We choose some of the books to place on this shelf such that the Can you solve this real interview question? Minimum Number of Operations to Make Array Continuous - You are given an integer array nums. Example 1: Input: nums1 = [1,2], nums2 = [2,3] Output: 2 Explanation: Rearrange nums2 so that it becomes [3,2]. Tasks are assigned to the servers using a task queue. , partitions), and individually sort each chunk. Let this ordering be represented by the integer array expected where expected[i] is the expected height of the ith student in line. In one step you can choose any character of t and replace it with another character. You need to apply n - 1 operations to this array where, in the ith operation (0-indexed), you will apply the following on the ith element of nums: * If nums[i] == nums[i + 1], then multiply nums[i] by 2 and set nums[i + 1] to 0 Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. The Can you solve this real interview question? Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. A substring that contains a certain character Can you solve this real interview question? Lexicographically Smallest Palindrome - You are given a string s consisting of lowercase English letters, and you are allowed to perform operations on it. Find the number of different ways to reorder nums so that the constructed BST is identical to that Jul 23, 2025 · Example: In this example the rearrange function sorts an array in ascending order and then creates a new array in maximum-minimum form using two pointers. You start your journey from building 0 and move to the next building by possibly using bricks or ladders. The score of the arrays is the maximum of sum (nums1) and sum (nums2), where sum (arr) is the sum of all the elements in the array arr. In one operation, you can choose an element of the array and increment it by 1. The Can you solve this real interview question? Minimum Number of Moves to Make Palindrome - You are given a string s consisting only of lowercase English letters. In one move, you can choose one element of nums and change it to any value. If there are multiple Use two pointers to create the new array of 2n elements. Perform a binary search over the minimum value that can be achieved for the maximum number of the array. * The absolute difference between any 2 adjacent elements must be less than or equal to 1. The Can you solve this real interview question? Minimum Replacements to Sort the Array - You are given a 0-indexed integer array nums. It can be Jul 23, 2025 · Given an array arr [] of size n, the task is to rearrange it in alternate positive and negative manner without changing the relative order of positive and negative numbers. Example 1: Input: nums = [1,1,0,1,1,1] Output: 3 Explanation: The first two digits or the last three digits are consecutive 1s. You are also given an integer shelfWidth. In one operation, you must: Choose an integer i such that 1 <= i < n and nums[i] > 0. Given an integer array nums of size n, return the minimum number of moves required to make all array elements equal. Maximize Greatness of an Array - You are given a 0-indexed integer array nums. Return the minimum number of moves needed to make s a palindrome. Can you solve this real interview question? Maximum Subsequence Score - You are given two 0-indexed integer arrays nums1 and nums2 of equal length n and a positive integer k. You can perform this operation at most k times. * For example, if nums = [1,2,3], you can choose to increment nums[1] to make nums = [1,3,3]. Note: Modify the original array itself. You are allowed to perform either of the following operations any number of times: * Choose an index i from nums and increase nums[i] by 1 for a cost of cost1. Can you solve this real interview question? Reorganize String - Given a string s, rearrange the characters of s so that any two adjacent characters are not the same. 1. The students are asked to stand in a single file line in non-decreasing order by height. Description You are given a 0-indexed integer array nums of even length consisting of an equal number of positive and negative integers. Then, following holds true : * All elements in the array are in the range [0, N-1] * N * N does not overflow for a signed integer Constraints: 1 <= N <= 5×104 0 <= A[i] <= N - 1 The elements of A are distinct Input Format The argument A is Can you solve this real interview question? Sort an Array - Given an array of integers nums, sort the array in ascending order and return it. This is a very commonly asked arrray based programming interview question. In one operation, you can change any '0' to '1' or vice versa. Example 1 Leetcode all problems list, with company tags and solutions. While moving from building i to building i+1 (0-indexed), * If the current building's height is greater given an array , rearrange it such that overall sum of variation function of each of index is minimized. Rearrange the elements of nums2 such that the resulting XOR sum is minimized. At Can you solve this real interview question? Minimum Number of Steps to Make Two Strings Anagram - You are given two strings of the same length s and t. Can you solve this real interview question? Longest Repeating Character Replacement - You are given a string s and an integer k. You can perform the following operation any number of times (including zero): * Choose an index i in the range [0, words. For each query i, you are allowed to perform the following operations: * Rearrange the characters within the substring s[ai:bi], where 0 <= ai <= bi < n / 2 Can you solve this real interview question? Minimum Cost to Equalize Array - You are given an integer array nums and two integers cost1 and cost2. Rearrange the digits of num such that its value is minimized and it does not contain any leading zeros. Can you solve this real interview question? Minimum Cost to Make Array Equal - You are given two 0-indexed arrays nums and cost consisting each of n positive integers. Better than official and forum solutions. Your task is to make s a palindrome with the minimum number of operations possible. length and do the assignment arr1[i] = arr2[j]. A subsequence is an array that can be derived from another array by deleting some or no elements without changing Can you solve this real interview question? Palindrome Rearrangement Queries - You are given a 0-indexed string s having an even length n. Can you solve this real interview question? Find Target Indices After Sorting Array - You are given a 0-indexed integer array nums and a target element target. Example 1: Input: s = "aab" Output: "aba" Example 2: Input: s = "aaab" Output: "" Constraints: * 1 <= s. , nums [j] - nums [i]), such that 0 <= i < j < n and nums [i] < nums [j]. Longest Palindromic Substring. Rearrange Array to Maximize Prefix Score in Python, Java, C++ and more. In one step, you can take one card from the beginning or from the end of the row. Return a list of pairs in ascending order (with respect to pairs), each pair [a, b] follows Sum of Absolute Differences in a Sorted Array - You are given an integer array nums sorted in non-decreasing order. Alternate between them and create the new array. Build and return an integer array result with the same length as nums such that result [i] is equal to the summation of absolute differences between nums [i] and all the other elements in the array. Reverse Words in a String 152. The Max Consecutive Ones - Given a binary array nums, return the maximum number of consecutive 1's in the array. Can you solve this real interview question? Maximum OR - You are given a 0-indexed integer array nums of length n and an integer k. For example, the first element would be the maximum element, the second element would be the minimum element. The substrings do not overlap, that is for any two substrings s[i. We want to place these books in order onto bookcase shelves that have a total width shelfWidth. Can you solve this real interview question? Min Cost to Connect All Points - You are given an array points representing integer coordinates of some points on a 2D-plane, where points[i] = [xi, yi]. You must write an algorithm that runs in O (n) time. The Given a sorted array of positive integers, rearrange the array alternately i. Jul 23, 2025 · Given two sorted arrays a [] and b [] of size n and m respectively, the task is to merge both the arrays and rearrange the elements such that the smallest n elements are in a [] and the remaining m elements are in b []. Gas Station 130. Can you solve this real interview question? Next Greater Element I - The next greater element of some element x in an array is the first greater element that is to the right of x in the same array. Word Break 137. The Jul 23, 2025 · Maximum and minimum of an array : To solve the problem of finding the minimum and maximum elements in an array, you can follow these steps: Step 1: Write functions to find the minimum (setmini) and maximum (setmaxi) values in the array. length, find the index j such that nums1[i] == nums2[j] and determine Can you solve this real interview question? Furthest Building You Can Reach - You are given an integer array heights representing the heights of buildings, some bricks, and some ladders. Can you solve this real interview question? Minimum Replacements to Sort the Array - You are given a 0-indexed integer array nums. For example, the string "010" is alternating, while the string "0100" is not. 💡 IntuitionThe key is to:Compute the maximum OR of the entire array (maxOr). Surrounded Regions 128. Feb 10, 2025 · You have to rearrange the array in such a manner that all the elements represent the maximum-minimum form at alternative indices. A string s is formed by the concatenation of a subsequence of arr that has unique characters. y], either j < x or i > y is true. Note that a | b denotes the bitwise or between Can you solve this real interview question? Minimum Operations to Make the Array Increasing - You are given an integer array nums (0-indexed). The cost of this operation is the sum of the indices. Rearrange Array to Maximize Prefix Score - LeetCode Wiki. Word Break II 139. Iterate over the array and perform the following operations: If the current index is even: Can you solve this real interview question? Make Array Strictly Increasing - Given two integer arrays arr1 and arr2, return the minimum number of operations (possibly zero) needed to make arr1 strictly increasing. Can you solve this real interview question? Maximum Length of a Concatenated String with Unique Characters - You are given an array of strings arr. Return the maximum possible score. Note that the sign of the number does not change after rearranging the digits. Largest Number - Given a list of non-negative integers nums, arrange them such that they form the largest number and return it. Return the minimum number of steps to make t an anagram of s. Note that the input will be generated such that s can always be converted to a palindrome Can you solve this real interview question? Construct String with Minimum Cost - You are given a string target, an array of strings words, and an integer array costs, both arrays of the same length. The Longest Consecutive Sequence - Given an unsorted array of integers nums, return the length of the longest consecutive elements sequence. Min Stack 156. In one move, you can increment n - 1 elements of the array by 1. Example 1: Find Minimum in Rotated Sorted Array 152. length for which perm [i] > nums [i]. Singly Linked List 4. * The difference between the maximum element and the minimum element in Can you solve this real interview question? Maximum Height by Stacking Cuboids - Given n cuboids where the dimensions of the ith cuboid is cuboids[i] = [widthi, lengthi, heighti] (0-indexed). 8. Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. Return the Can you solve this real interview question? Sort Even and Odd Indices Independently - You are given a 0-indexed integer array nums. Can you solve this real interview question? Rearrange Characters to Make Target String - You are given two 0-indexed strings s and target. The Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. The points are given in the integer array cardPoints. You are given an array seats of length n, where seats[i] is the position of the ith seat. The first starting at the beginning and the other starting at (n+1)th position. 7. Can you solve this real interview question? Rearrange Array to Maximize Prefix Score - You are given a 0-indexed integer array nums. variation function (index) = difference between maximum and minimum element from rearranged array of prefix (0index);take an example : (3 , 1 , Can you solve this real interview question? Minimum Total Cost to Make Arrays Unequal - You are given two 0-indexed integer arrays nums1 and nums2, of equal length n. The Arrays 2. Priority Queues and Heaps 12 Rearrange Array - Given an array A of size N. Return the maximum difference. Rearrange the given array so that A[i] becomes A[A[i]] with O(1) extra space. The Can you solve this real interview question? Maximum Element After Decreasing and Rearranging - You are given an array of positive integers arr. Two Sum. You have to take exactly k cards. The Can you solve this real interview question? Permutations - Given an array nums of distinct integers, return all the possible permutations. Regular Expression Matching. Intuitions, example walk through, and complexity analysis. You can rearrange the elements of nums to any order (including the given order). Initialise an element mx equal to 1 + maximum element of the array. Lets say N = size of the array. Max Points on a Line 140. Given a binary circular array nums, return the minimum number of swaps required to group all 1's present in the array together at any location. . 151. The XOR sum is (1 XOR 3) + (2 XOR 2) = 2 + 0 = 2. 5. Return the final string after all such duplicate removals have been made. You need to divide nums into 3 disjoint contiguous subarrays. In one operation you can choose any subarray from initial and increment each value by one. Find Minimum in Rotated Sorted Array 154. Palindrome Number. Single Number II 136. Return the sorted array. Increase nums[i - 1] by 1. You may perform the following move any number of Given an array nums, return the maximum alternating sum of any subsequence of nums (after reindexing the elements of the subsequence). If multiple values have the same frequency, sort them in decreasing order. We have rearranged the array alternately using two methods. String to Integer (atoi) 9. Graphs 11. You can do the following operation any number of times: * Increase or decrease any element of the array nums by 1. Maximum Product Subarray 150. You are allowed to permute nums into a new array perm of your choosing. The values at odd indices 1 and 3 are sorted in non Given an array of positive integers. Return the minimum number of operations to Can you solve this real interview question? Height Checker - A school is trying to take an annual photo of all the students. Since the result may be very large, so you need to return a string instead of an integer. The number of operations required in this case is 3. 3. In other words, abs (arr You must count the number of non-empty subsets whose bitwise OR is equal to the maximum possible OR value among all subsets. The returned list must be sorted in Return the minimum number of moves to transform the given array nums into a zigzag array. Example 1: Input: nums = [1,2,3] Output: 2 Explanation: We can decrease 2 to 0 or 3 to 1. Evaluate Reverse Polish Notation 149. Only nodes themselves may be changed. Reverse Integer. Can you solve this real interview question? Find Servers That Handled Most Number of Requests - You have k servers numbered from 0 to k-1 that are being used to handle multiple requests simultaneously. Jul 23, 2025 · Rearrange an array in maximum minimum form using modular arithmetic: The idea is to use multiplication and modular arithmetic to store two elements at each index. The cost of an array is the value of its first element. first element should be the max value, the second should be the min value, the third should be the second max, the fourth should be the second min, and so on. Example 1: Input: nums = [3,10,5,25,2,8] Output: 28 Explanation: The maximum result is 5 XOR 25 = 28. Decrease nums[i] by 1. xrtnq niffvs klxxptn jcg cbnf nhrl krxufll emx cjqo ojprcw