package string;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
public class String496 {
public static void main(String[] args) {
int[] nums1 = {4,1,2}, nums2 = {1,3,4,2};
int[] result = nextGreaterElement(nums1, nums2);
Arrays.stream(result).forEach(e -> System.out.println(e));
}
public static int[] nextGreaterElement(int[] nums1, int[] nums2) {
Map nextGreaterElement = allNextGreaterElement(nums2);
int[] result = new int[nums1.length];
for (int i = 0; i < nums1.length; i++) {
result[i] = nextGreaterElement.get(nums1[i]);
}
return result;
}
public static Map allNextGreaterElement(int[] nums2) {
Map nextGreaterElement = new HashMap();
int max = nums2[nums2.length-1];
for (int i = nums2.length-1; i >= 0; i--) {
if (nums2[i] >= max) {
nextGreaterElement.put(nums2[i], -1);
max = nums2[i];
} else {
nextGreaterElement.put(nums2[i], max);
}
}
return nextGreaterElement;
}
}