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import com.sort.SortTestHelper;

/**

* @author xjn

* @since 2019-12-17

*/

public class Solution {

public class ListNode {

int val;

ListNode next;

ListNode(int x) {

val = x;

}

}

public ListNode removeElements(ListNode head, int val) {

ListNode dummyHead = new ListNode(-1);

dummyHead.next = head;

ListNode prev = dummyHead;

while (prev.next != null) {

if (prev.next.val == val) {

prev.next = prev.next.next;

} else {

prev = prev.next;

}

}

return head;

}

public static void main(String[] args) {

int[] ints = SortTestHelper.generateRandomArray(10, 1, 10);

for (int i = 1; i < ints.length; i++) {

for (int j = 0; j < ints.length - i; j++) {

System.out.println("i:" + i + " j:" + j);

}

System.out.println();

}

}

}