How to check if two given sets are disjoint? By using this website, you agree with our Cookies Policy. How to print size of array parameter in C++? Maximum number of subsets an array can be split into such that product of their minimums with size of subsets is at least K - GeeksforGeeks A Computer Science portal for geeks. Two elements should not be the same within a subset. In the find_diff() function we are passing the input array and its length and returning the maximum difference of the sum of sets of m elements. Input . So the required minimum number of partitions is always 1 or 2. We try to make sum of elements in subset A as greater as possible and sum of elements in subset B as smaller as possible. Approach: This problem can be solved using greedy approach. O(n)wherenis the number of elements in the array. https://www.geeksforgeeks.org/maximum-possible-difference-two-subsets-array/. By using our site, you consent to our Cookies Policy. And for this we can conclude that all such elements whose frequency are 2, going to be part of both subsets and hence overall they dont have any impact on difference of subset sum. I have an array with N elements. Lets now understand what we have to do using an example . Note that the above solution is in Pseudo Polynomial Time (time complexity is dependent on numeric value of input). All the elements of the array should be divided between the two subsets without leaving any element behind. After storing the frequencies of the positive elements we are going to add up all the values of an array which are greater than 0 and also have a frequency of only 1, means we need to ignore those elements that come several times or more than once. All the elements of the array should be divided between the two subsets without leaving any element behind. Algorithm with time complexity O(n log n): Time Complexity: O(n log n)Auxiliary Space: O(1), Time Complexity: O(n)Auxiliary Space: O(n), Some other interesting problems on Hashing, Divide array in two Subsets such that sum of square of sum of both subsets is maximum, Maximum possible difference of sum of two subsets of an array | Set 2, Maximum number of subsets an array can be split into such that product of their minimums with size of subsets is at least K, Partition an array of non-negative integers into two subsets such that average of both the subsets is equal, Split array into maximum possible subsets having product of their length with the maximum element at least K, Smallest subset of maximum sum possible by splitting array into two subsets, Sum of subsets of all the subsets of an array | O(3^N), Sum of subsets of all the subsets of an array | O(2^N), Sum of subsets of all the subsets of an array | O(N), Split array into minimum number of subsets such that elements of all pairs are present in different subsets at least once. The size of both of these subsets is 3 which is the maximum possible. https://www.geeksforgeeks.org/maximum-possible-difference-two-subsets-array/, n , 2 , . We make use of First and third party cookies to improve our user experience. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to [email protected]. Program for array left rotation by d positions. Follow the steps given below to solve the problem: Below is the implementation of the above approach: Time Complexity: O(NlogN)Auxiliary Space: O(N), Divide array in two Subsets such that sum of square of sum of both subsets is maximum, Maximum possible difference of two subsets of an array, Smallest subset of maximum sum possible by splitting array into two subsets, Maximum number of subsets an array can be split into such that product of their minimums with size of subsets is at least K, Sum of length of two smallest subsets possible from a given array with sum at least K, Partition an array of non-negative integers into two subsets such that average of both the subsets is equal, Sum of subsets of all the subsets of an array | O(3^N), Sum of subsets of all the subsets of an array | O(2^N), Sum of subsets of all the subsets of an array | O(N), Split array into maximum possible subsets having product of their length with the maximum element at least K. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. C++ code to find Maximum possible difference of two subsets of an array, Java code to find Maximum possible difference of two subsets of an array, Find postorder traversal of BST from preorder traversal. Now consider max (s) denotes the maximum value in any subset, and min (s) denotes the minimum value in the set. LIVEExplore MoreSelf PacedDSA Self PacedSDE TheoryAll Development CoursesExplore MoreFor StudentsLIVECompetitive ProgrammingGATE Live Course 2023Data ScienceExplore . Because we have used HashMap we are able to perform insertion/deletion/searching in O(1). acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Full Stack Development with React & Node JS (Live), Data Structure & Algorithm-Self Paced(C++/JAVA), Full Stack Development with React & Node JS(Live), GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. O(n)wherenis the number of elements in the array. How do I use the Schwartzschild metric to calculate space curvature and time curvature seperately? I need to find the maximum difference in a list between any two elements. So, we can easily ignore them. Now you can take M elements from either from start or from the end. Input: arr[] = {1, 3, 2, 4, 5}Output: 13Explanation: The partitions {3, 2, 4, 5} and {1} maximizes the difference between the subsets. A Computer Science portal for geeks. How to check if a given array represents a Binary Heap? The only difference is that we need to iterate the elements of arr[] in non-increasing order. Keep adding up all the negative elements that have frequency 1 and storing it in. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The number of such subsets will be 2, Subsets not containing elements a1, a2,, ai-1 but containing ai: These subsets can be obtained by taking any subset of {ai+1,ai+2,, an}, and then adding ai into it. To learn more, see our tips on writing great answers. How to split a string in C/C++, Python and Java? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This article is contributed by Shivam Pradhan (anuj_charm). I have to divide the array into two subset such that one subset has exactly M elements and the other subset has the rest. We are going to store it in the map (making it a positive number) with its number of occurrences. Input: arr [] = {2, 7, 4, 1, 6, 9, 5, 3} Output: 4 Recommended: Please try your approach on {IDE} first, before moving on to the solution. The difference between the maximum and minimum value in the second subsequence is 3 - 3 = 0. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. So the main thing is to find two subsets of m numbers which have the highest sum and lowest sum. A Computer Science portal for geeks. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Store the positive elements and their count in one map. A Computer Science portal for geeks. Hence, the sum of the minimum element of all subsets will be:min_sum = a1*2n-1 + a2*2n-2 + + an*20This sum can be computed easily in linear time with help of the Horner methodSimilarly, we can compute the sum of the maximum element of all subsets of arr[]. 3. See your article appearing on the GeeksforGeeks main page and help other Geeks. By using this website, you agree with our Cookies Policy. By using our site, you After storing frequencies of the negative elements, we are going to add up all the values of an array which are less than 0 and also that have a frequency of only 1. Agree Top 50 Array Coding Problems for Interviews, Introduction to Stack - Data Structure and Algorithm Tutorials, Maximum and minimum of an array using minimum number of comparisons. What is the origin and basis of stare decisis? Suppose max (s) represents the maximum value in any subset 's' whereas min (s) represents the minimum value in the set 's'. Note, this is the maximum difference possible. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. A Computer Science portal for geeks. Suppose we have an array and a number m, then we will first find the sum of highest m numbers and then subtract the sum of lowest m numbers from it to get the maximum difference. What is the difference between Python's list methods append and extend? Given an array of n-integers. Maximum Sum of Products of Two Array in C++ Program, Find the maximum possible value of the minimum value of modified array in C++, Maximum product subset of an array in C++. We need to find the sum of max(s)-min(s) for all possible subsets. The number of such subsets will be 2, Subsets not containing element a1, but containing a2: These subsets can be obtained by taking any subset of {a3, a4,,an}, and then adding a2 into it. k-th distinct (or non-repeating) element among unique elements in an array. Not the answer you're looking for? In list [1,2,3,4,5] the maximum difference is 4 (between elements 1 and 5) using for loops. Find centralized, trusted content and collaborate around the technologies you use most. How do I concatenate two lists in Python? We use cookies to provide and improve our services. Largest subset whose all elements are Fibonacci numbers, Maximum area rectangle by picking four sides from array, Root to leaf path with maximum distinct nodes, Length of longest strict bitonic subsequence, Last seen array element (last appearance is earliest), Creative Common Attribution-ShareAlike 4.0 International. Given an array arr [ ] consisting of N integers, the task is to find maximum difference between the sum of two subsets obtained by partitioning the array into any two non-empty subsets. Sort the given array. For example, Consider the array [1, 2, 3, 4], There are 10 non-empty sub-arrays. Given an array S of N positive integers, divide the array into two subsets such that the sums of subsets is maximum and equal. You should make two subsets so that the difference between the sum of their respective elements is maximum. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. You signed in with another tab or window. and is attributed to GeeksforGeeks.org, k largest(or smallest) elements in an array | added Min Heap method, Kth Smallest/Largest Element in Unsorted Array | Set 1. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Full Stack Development with React & Node JS (Live), Data Structure & Algorithm-Self Paced(C++/JAVA), Full Stack Development with React & Node JS(Live), GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Maximum difference between two elements in an Array, Finding sum of digits of a number until sum becomes single digit, Program for Sum of the digits of a given number, Compute sum of digits in all numbers from 1 to n, Count possible ways to construct buildings, Maximum profit by buying and selling a share at most twice, Maximum profit by buying and selling a share at most k times, Given an array arr[], find the maximum j i such that arr[j] > arr[i], Sliding Window Maximum (Maximum of all subarrays of size K), Sliding Window Maximum (Maximum of all subarrays of size k) using stack in O(n) time, Next Greater Element (NGE) for every element in given Array, Next greater element in same order as input, Maximum product of indexes of next greater on left and right, Stack | Set 4 (Evaluation of Postfix Expression), Convert Infix expression to Postfix expression, Write a program to reverse an array or string, Largest Sum Contiguous Subarray (Kadane's Algorithm). It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. The idea is to first sort the array, then find sum of first m elements and sum of last m elements. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. 528), Microsoft Azure joins Collectives on Stack Overflow. The subarrays are: (1), (2), (3), (4), (1,2), (2,3), (3,4), (1,2,3), (2,3,4), and (1,2,3,4) Why is subtracting these two times (in 1927) giving a strange result? An array can contain repeating elements, but the highest frequency of an element should not be greater than 2. The output of the program should be the maximum possible sum. Difference between @staticmethod and @classmethod. This article is attributed to GeeksforGeeks.org 0 1 tags: Given an array of n-integers. and is attributed to GeeksforGeeks.org, Index Mapping (or Trivial Hashing) with negatives allowed, Print a Binary Tree in Vertical Order | Set 2 (Map based Method), Find whether an array is subset of another array | Added Method 3, Union and Intersection of two linked lists | Set-3 (Hashing), Given an array A[] and a number x, check for pair in A[] with sum as x, Minimum delete operations to make all elements of array same, Minimum operation to make all elements equal in array, Maximum distance between two occurrences of same element in array, Check if a given array contains duplicate elements within k distance from each other, Find duplicates in a given array when elements are not limited to a range, Find top k (or most frequent) numbers in a stream, Smallest subarray with all occurrences of a most frequent element, First element occurring k times in an array, Given an array of pairs, find all symmetric pairs in it, Find the only repetitive element between 1 to n-1, Find any one of the multiple repeating elements in read only array, Group multiple occurrence of array elements ordered by first occurrence. Lowest 3 numbers are 1,2,3 and sum is 6. So we have to put at least one element in both of them. Print All Distinct Elements of a given integer array, Only integer with positive value in positive negative value in array, Pairs of Positive Negative values in an array, Find Itinerary from a given list of tickets, Find number of Employees Under every Employee, Check if an array can be divided into pairs whose sum is divisible by k, Print array elements that are divisible by at-least one other, Find three element from different three arrays such that that a + b + c = sum, Find four elements a, b, c and d in an array such that a+b = c+d, Find the length of largest subarray with 0 sum, Printing longest Increasing consecutive subsequence, Longest Increasing consecutive subsequence, Longest subsequence such that difference between adjacents is one | Set 2, Largest increasing subsequence of consecutive integers, Count subsets having distinct even numbers, Count distinct elements in every window of size k, Maximum possible sum of a window in an array such that elements of same window in other array are unique, Check if array contains contiguous integers with duplicates allowed, Length of the largest subarray with contiguous elements | Set 2, Find subarray with given sum | Set 2 (Handles Negative Numbers), Find four elements that sum to a given value | Set 3 (Hashmap), Implementing our Own Hash Table with Separate Chaining in Java, Implementing own Hash Table with Open Addressing Linear Probing in C++, Vertical Sum in a given Binary Tree | Set 1, Minimum insertions to form a palindrome with permutations allowed, Check for Palindrome after every character replacement Query, Maximum length subsequence with difference between adjacent elements as either 0 or 1 | Set 2, Maximum difference between frequency of two elements such that element having greater frequency is also greater, Difference between highest and least frequencies in an array, Maximum difference between first and last indexes of an element in array, Maximum possible difference of two subsets of an array, Smallest subarray with k distinct numbers, Longest subarray not having more than K distinct elements, Sum of f(a[i], a[j]) over all pairs in an array of n integers, Find number of pairs in an array such that their XOR is 0, Design a data structure that supports insert, delete, search and getRandom in constant time, Largest subarray with equal number of 0s and 1s, Count subarrays with equal number of 1s and 0s, Longest subarray having count of 1s one more than count of 0s, Count Substrings with equal number of 0s, 1s and 2s, Print all triplets in sorted array that form AP, All unique triplets that sum up to a given value, Count number of triplets with product equal to given number, Count of index pairs with equal elements in an array, Find smallest range containing elements from k lists, Range Queries for Frequencies of array elements, Elements to be added so that all elements of a range are present in array, Count subarrays having total distinct elements same as original array, Count subarrays with same even and odd elements, Minimum number of distinct elements after removing m items, Distributing items when a person cannot take more than two items of same type, Maximum consecutive numbers present in an array, Maximum array from two given arrays keeping order same, Maximum number of chocolates to be distributed equally among k students, Find largest d in array such that a + b + c = d. Find Sum of all unique sub-array sum for a given array. Enjoy unlimited access on 5500+ Hand Picked Quality Video Courses. Each element of the array should belong to exactly one of the subset. Find elements which are present in first array and not in second, Pair with given sum and maximum shortest distance from end, Pair with given product | Set 1 (Find if any pair exists), k-th missing element in increasing sequence which is not present in a given sequence, Minimum number of subsets with distinct elements, Remove minimum number of elements such that no common element exist in both array, Count items common to both the lists but with different prices, Minimum Index Sum for Common Elements of Two Lists, Change the array into a permutation of numbers from 1 to n, Count pairs from two sorted arrays whose sum is equal to a given value x, Count pairs from two linked lists whose sum is equal to a given value, Count quadruples from four sorted arrays whose sum is equal to a given value x, Number of subarrays having sum exactly equal to k, Count pairs whose products exist in array, Given two unsorted arrays, find all pairs whose sum is x, Cumulative frequency of count of each element in an unsorted array, Sort elements by frequency | Set 4 (Efficient approach using hash), Find pairs in array whose sums already exist in array, Find all pairs (a, b) in an array such that a % b = k, Convert an array to reduced form | Set 1 (Simple and Hashing), Return maximum occurring character in an input string, Smallest element repeated exactly k times (not limited to small range), Numbers with prime frequencies greater than or equal to k, Find the first repeating element in an array of integers, Find sum of non-repeating (distinct) elements in an array. Count minimum number of subsets (or subsequences) with consecutive numbers, Count sub-sets that satisfy the given condition, Perfect Sum Problem (Print all subsets with given sum), Recursive program to print all subsets with given sum, Program to reverse a string (Iterative and Recursive), Print reverse of a string using recursion, Write a program to print all Permutations of given String, Print all distinct permutations of a given string with duplicates, All permutations of an array using STL in C++, std::next_permutation and prev_permutation in C++, Lexicographically Next Permutation in C++. Why is sending so few tanks Ukraine considered significant? Program for array left rotation by d positions. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. How to automatically classify a sentence or text based on its context? Check our Website: https://www.takeuforward.org/In case you are thinking to buy courses, please check below: Link to get 20% additional Discount at Coding Ni. How could one outsmart a tracking implant? :book: [] GeeksForGeeks . Take input array arr[] and a number m for making sets. So the highest or maximum difference is 12-6 which is 6. The task is to find the greatest difference between the sum of m elements in an array. So the highest or maximum difference is 65-45 which is 20. Not working when my input array is {100, 100, 150} and M = 2; Its giving me answer 50. I wrote following logic in python. Program for array left rotation by d positions. A Computer Science portal for geeks. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Then we will find the sum of first m and last m elements as these will be least m and highest m numbers of arr[] . You need to sort first which you got it. You have to make two subsets such that the difference of the sum of their elements is maximum and both of them jointly contain all elements of the given array along with the most important condition, no subset should contain repetitive elements. rev2023.1.17.43168. Approach: The maximum absolute difference in the array will always be the absolute difference between the minimum and the maximum element from the array. In this problem both the subsets A and B must be non-empty. Hashing provides an efficient way to solve this question. Double-sided tape maybe? By using our site, you consent to our Cookies Policy. For making the difference of the sum of elements of both subset maximum we have to make subset in such a way that all positive elements belong to one subset and negative ones to other subsets. Given an array arr[ ] consisting of N integers, the task is to find maximum difference between the sum of two subsets obtained by partitioning the array into any two non-empty subsets. Since two subsequences were created, we return 2. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Looking to protect enchantment in Mono Black, How Could One Calculate the Crit Chance in 13th Age for a Monk with Ki in Anydice? Split Array into K non-overlapping subset such that maximum among all subset sum is minimum, Sum of maximum and minimum of Kth subset ordered by increasing subset sum, Maximum size of subset such that product of all subset elements is a factor of N, Maximum Subset Sum possible by negating the entire sum after selecting the first Array element, Largest value of K that a set of all possible subset-sum values of given Array contains numbers [0, K], Smallest subset of maximum sum possible by splitting array into two subsets, Maximum subset sum having difference between its maximum and minimum in range [L, R], Find maximum subset-sum divisible by D by taking at most K elements from given array, Find subset with maximum sum under given condition, Find sum of difference of maximum and minimum over all possible subsets of size K. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Consider both cases and take max. Maximum possible difference of two subsets of an array Given an array of n-integers. This work is licensed under Creative Common Attribution-ShareAlike 4.0 International You have to make two subsets such that difference of their elements sum is maximum and both of them jointly contains all of elements of given array along with the most important condition, no subset should contain repetitive elements. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, maximum difference in the summation of two subset, Flake it till you make it: how to detect and deal with flaky tests (Ep. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Full Stack Development with React & Node JS (Live), Data Structure & Algorithm-Self Paced(C++/JAVA), Full Stack Development with React & Node JS(Live), GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Separate Chaining Collision Handling Technique in Hashing, Open Addressing Collision Handling technique in Hashing, Index Mapping (or Trivial Hashing) with negatives allowed, Union and Intersection of two Linked List using Hashing, Minimum operation to make all elements equal in array, Maximum distance between two occurrences of same element in array, First element occurring k times in an array. Suppose, we have an integer array. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Discussed solution approaches Brute force approach using nested loops Using divide and conquer approach similar to merge sort A subarray is a contiguous part of array, i.e., Subarray is an array that is inside another array. Examples: Input: arr [] = {1, 3, 2, 4, 5} Output: 13 Note: We may have a large answer, so we have to calculate the answer with mod 10^9 +7. Indefinite article before noun starting with "the", Books in which disembodied brains in blue fluid try to enslave humanity, How to see the number of layers currently selected in QGIS, QGIS: Aligning elements in the second column in the legend, How to give hints to fix kerning of "Two" in sffamily. Connect and share knowledge within a single location that is structured and easy to search. Approach: The maximum absolute difference in the array will always be the absolute difference between the minimum and the maximum element from the array. The array may contain repetitive elements but the highest frequency of any element must not exceed two. You need to partition nums into two arrays of length n to minimize the absolute difference of the sums of the arrays. Just return the biggest of the two. Explanation: Possible partitions are: {2, 4, 6} Approach: The idea is to observe that if there is no such pair i, j such that |arr [i] - arr [j]| = 1, then it is possible to put all the elements in the same partition, otherwise divide them into two partitions. Subset-sum is the sum of all the elements in that subset. What is the difference between public, protected, package-private and private in Java? Merge Sort Tree for Range Order Statistics, K maximum sum combinations from two arrays, Maximum distinct elements after removing k elements, Maximum difference between two subsets of m elements, Height of a complete binary tree (or Heap) with N nodes, Heap Sort for decreasing order using min heap. Avoiding alpha gaming when not alpha gaming gets PCs into trouble. Explanation Here the highest 4 numbers are 22,16,14,13 and the sum is 65. We make use of First and third party cookies to improve our user experience. In this tutorial, we will be discussing a program to find maximum possible difference of two subsets of an array. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. The summation of subset 1 = 2 + 3 + 4 = 9, The summation of subset 2 = 6+ 5 + 10 = 21. The same thing will be done with negative elements we will pick every element of an array and this time we will check if it is less than 0. Before solving this question we have to take care of some given conditions and they are listed as: This article is attributed to GeeksforGeeks.org. Finally we print sum(A) sum(B). We can optimize the above solution using more efficient approaches discussed in below post. Given an array of n integers and a number m, find the maximum possible difference between two sets of m elements chosen from given array. For example, for the array : {1,2,3}, some of the possible divisions are a) {1,2} and {3} b) {1,3} and {2}. Lowest 4 numbers are 8,10,13,14 and the sum is 45 . If we run the above code we will get the following output , Enjoy unlimited access on 5500+ Hand Picked Quality Video Courses. So, we can easily ignore them. We have to find the sum of maximum difference possible from all subsets of given array. A Computer Science portal for geeks. Keep adding up all the positive elements that have frequency 1 and storing it in. We are given an array arr [] of n non-negative integers (repeated elements allowed), find out the sum of maximum difference possible from contiguous subsets of the given array. Agree Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k are missing. What does "you better" mean in this context of conversation? Contribute to apachecn/geeksforgeeks-dsal-zh development by creating an account on GitHub. Same element should not appear in both the subsets. Dividing the items into subset in a way such that the difference in the summation of elements between the two subset is the maximum. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Then we are going to store it in the map with its number of occurrences. Array may contain repetitive elements but the highest frequency of any elements must not exceed two. Print All Distinct Elements of a given integer array, Find Itinerary from a given list of tickets, Vertical order traversal of Binary Tree using Map, Check if an array can be divided into pairs whose sum is divisible by k, Print array elements that are divisible by at-least one other, Find four elements a, b, c and d in an array such that a+b = c+d, Printing longest Increasing consecutive subsequence, Find subarray with given sum | Set 2 (Handles Negative Numbers), Implementing our Own Hash Table with Separate Chaining in Java, Maximum possible difference of two subsets of an array, Longest subarray not having more than K distinct elements, Smallest subarray with k distinct numbers, Longest subarray having count of 1s one more than count of 0s, Count Substrings with equal number of 0s, 1s and 2s, Count subarrays with same even and odd elements, Find number of Employees Under every Manager, Maximum distinct nodes in a Root to leaf path, Last seen array element (last appearance is earliest), Find if there is a rectangle in binary matrix with corners as 1.
Secret Swimming Hole Blue Mountains,
Springfield Jail Inmates,
Is Amanda Lamb Related To Larry Lamb,
Articles M
maximum possible difference of two subsets of an array
You can post first response comment.