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Equalize the array hackerrank solution in java

Karl has an array of integers. He wants to reduce the array until all remaining elements are equal. Determine the minimum number of elements to delete to reach his goal. The minimum number of deletions is. Complete the equalizeArray function in the editor below. It must return an integer that denotes the minimum number of deletions required. The first line contains an integerthe number of elements in.

Print a single integer that denotes the minimum number of elements Karl must delete for all elements in the array to be equal. Welcome back! You've successfully signed in. Your account is fully activated, you now have access to all content. Hackerrank - Equalize the Array Solution. Function Description Complete the equalizeArray function in the editor below. Constraints Output Format Print a single integer that denotes the minimum number of elements Karl must delete for all elements in the array to be equal.

Solution in Python from collections import Counter def equalizeArray arr : return len arr - max Counter arr. Hackerrank Algorithms. You might also like. Beeze Aal Karl has an array of integers. He wants to reduce the array until all remaining elements are equal. Determine the minimum number of elements to delete to reach his goal. For example, if his array iswe see that he can delete the elements and leaving.

He could also delete both twos and either the or thebut that would take deletions. The minimum number of deletions is. Complete the equalizeArray function in the editor below. It must return an integer that denotes the minimum number of deletions required. The first line contains an integerthe number of elements in. The next line contains space-separated integers. Print a single integer that denotes the minimum number of elements Karl must delete for all elements in the array to be equal.

If we delete andall of the elements in the resulting array,will be equal. Deleting these elements is minimal. Our only other options would be to delete elements to get an array of either or.

We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies. Practice Certification NEW. Problem Submissions Leaderboard Discussions Editorial. Function Description Complete the equalizeArray function in the editor below.

equalize the array hackerrank solution in java

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Save preferences.September 01, No Comments. Post a comment. Coding Made Easy. Home About Us Contact Us. Powered by Blogger. Friday, 1 September But to make things difficult for the intern, she is ordered to equalize the number of chocolates for every colleague in the following manner, For every operation, she can choose one of her colleagues and can do one of the three things. She can give one chocolate to every colleague other than chosen one. She can give two chocolates to every colleague other than chosen one.

She can give five chocolates to every colleague other than chosen one. Explanation: Here first we will sort the Array so that we can easily get the difference. So we will first go with 5 then check with the remainder and follow same for 2,1. Here base 0 to 2 is added because sometimes it is not necessary that we will get result from above algo as if diff is 4 then it better to add 1 then subtract 5.

But why base only till 0,1,2 and not more than 2?

Hackerrank - Equalize the Array

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equalize the array hackerrank solution in java

Plus Minus hackerrank solution in c. Apple and Orange HackerRank solution in c. Picking Numbers HackerRank solution.Christy is interning at HackerRank.

One day she has to distribute some chocolates to her colleagues. She is biased towards her friends and plans to give them more than the others. One of the program managers hears of this and tells her to make sure everyone gets the same number.

To make things difficult, she must equalize the number of chocolates in a series of operations. Everyone who gets chocolate in a round receives the same number of pieces. For example, assume the starting distribution is. Given a starting distribution, calculate the minimum number of operations needed so that every colleague has the same number of chocolates. Complete the equal function in the editor below.

It should return an integer that reperesents the minimum number of operations required. Christy has to equalize the number of chocolates for all the coworkers. The only action she can make at every operation is to increase the count of every others' chocolate by 1,2 or 5 except one of them. This is equivalent to saying, christy can take away the chocolates of one coworker by 1, 2 or 5 while keeping others' chocolate untouched. Let's consider decreasing a coworker's chocolate as an operation.

To minimize the number of operations, we should try to make the number of chocolates of every coworker equal to the minimum one in the group min.

We have to decrease the number of chocolates the i th person A[i] by A[i] - min. Let this value be x.

equalize the array hackerrank solution in java

We now follow a greedy algorithm so number of operations required is minimum. This can be done in k operations. Let f min be sum of operations performed over all coworkers to reduce each of their chocolates to min. It may possible that it takes a total of fewer operations to convert all values to 3 or 2 or 1 or 0 instead of 4. Therefore we check all possibilities. Welcome back!Given an array of integers, the task is to count minimum number of operations to equalize the array make all array elements same.

And return -1 if it is not possible to equalize. To equalize an array, we need to move values from higher numbers to smaller numbers. Number of operations is equal to number of movements. Method 1 Simple : First one is brute force approach in which we fix an element and then check for the neighboring elements and then borrow or give the required amount of operation.

Equalize the Array

In this approach we will be needing two loops first one would be used for fixing the elements of the array and the second one would be used to check whether the other neighbors of the present element are able to give them their contribution in equalizing the array. Time complexity of this solution is O n 2. Method 2 Efficient : 1 Find the sum array elements.

For every element arr[i] compute absolute value of difference between eq and arr[i]. And keep track of sum of these differences. This article is contributed by Mohak Agrawal. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute. See your article appearing on the GeeksforGeeks main page and help other Geeks. Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.

Attention reader! Writing code in comment? Please use ide. Python3 program to find minimum. Returns minimum operations needed. Compute sum of array elements. If average of array is not integer. Compute sum of absolute differences. This code is contributed by Smitha Dinesh Semwal. Abs arr[i] - eq. WriteLine minOperations arr, n .Highly highly recommend having them plan your tour. Olga, Israel Husky Tour in the Wilderness of Lapland, March 2015 Thank you so much for being there and helping people to discover those incredible places around the Scandinavia.

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equalize the array hackerrank solution in java

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