# DCP-420: Minimum Cost Back to All Problems

Easy Beginners Problems > Ad-hoc

You are given an array with **N** integer numbers. Your task is to make all the element value same. In each move, you may ***select any index and decreases the value of that index by 1***.<br> You have to print the minimum numbers of moves needed to make all the array element same. Input: ------ Input starts with an integer **T (1<=T<=20)**, denoting the number of test cases. Each case contains an integer **N (1 ≤ N ≤ 100000)** size of array. Next line contains N space separated integers, say **X (1<=X<=100000)** . Output: ------- For each case of input, print the minimum numbers of moves needed to make all the array element same. Sample Input ------------ 1 2 1 2 Sample Output ------------- 1 Explanation:<br> In a single move, you may select element at index 2 and decrease it by 1, so final array will be ={1,1} in which all the array values are same.

### Problem Limits

 Language Time Limit (seconds) C 1.00 C++ 1.00 C++14 1.00 C# 2.00 Go 2.00 Java 2.00 JavaScript 2.00 Objective-C 2.00 Perl 2.00 PHP 2.00 Python 2.00 Python3 2.00 Ruby 2.00 VB.Net 2.00

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