BiruLyu
9/22/2017 - 8:42 PM

maxIdxAfterRotateArray.java

import java.util.Arrays;

public class VMwareOA {
	public static int[] maxNumIndex(int[] rotate, int[] nums) {
		if (nums == null || rotate == null || nums.length < 1 || rotate.length < 1) return new int[0];
		int maxNum = nums[0], maxIdx = 0;
		int n = rotate.length; // the length of rotate array
		int m = nums.length;
		int[] res = new int[n];
		for (int i = 1; i < nums.length; i++) {
			if (nums[i] > maxNum) {
				maxNum = nums[i];
				maxIdx = i;
			}
		}
		
		for (int i = 0; i < n; i++) {
			res[i] = ((maxIdx + m) - rotate[i]) % m;
		}
		return res;
	}
	
	public static void main(String[] args) {
		// Testcase1: [0,1,2,3,4,5,6,7,8,9] [1,4,3,2,7,3]
		int[] res1 = maxNumIndex(new int[] {0,1,2,3,4,5,6,7,8,9}, new int[] {1,4,3,2,7,3});
		System.out.println(Arrays.toString(res1));
		// Testcase2: [0,-1,-2,-3,-4,-5,-6,-7,-8,-9] [1,2,3,4,5]
		int[] res2 = maxNumIndex(new int[] {0,-1,-2,-3,-4,-5,-6,-7,-8,-9}, new int[] {1,2,3,4,5});
		System.out.println(Arrays.toString(res2));

	}

}