LC 1907 · 数组游戏

public class Solution {
    /**
     * @param arr: the array
     * @return: determine the number of moves to make all elements equals
     */
    public long arrayGame(int[] arr) {
        // write your code here
        long num = 0;
        int min = Integer.MAX_VALUE;
        for (int i = 0; i < arr.length; i++) {
            min = Math.min(arr[i], min);
        }
        for (int i = 0; i < arr.length; i++) {
            num += arr[i] - min;
        }
        return num;
    }
}