题解 | #合并两群能量值#

import java.util.*;

/*
 * public class ListNode {
 *   int val;
 *   ListNode next = null;
 *   public ListNode(int val) {
 *     this.val = val;
 *   }
 * }
 */

public class Solution {
    /**
     * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
     *
     * 
     * @param l1 ListNode类 
     * @param l2 ListNode类 
     * @return ListNode类
     */
    public ListNode mergeEnergyValues (ListNode l1, ListNode l2) {
        ListNode cur1 = l1;
        ListNode cur2 = l2;
        ListNode head = new ListNode(0);
        ListNode cur = head;
        while(cur1 != null) {
            ListNode t1 = cur1;
            ListNode t2 = cur2;
            cur1 = cur1.next;
            cur2 = cur2.next;
            if(t1.val >= t2.val) {
                cur.next = t1;
                cur.next.next = t2;
                cur = cur.next.next;
            } else {
                cur.next = t2;
                cur.next.next = t1;
                cur = cur.next.next;
            }
        }
        return head.next;
    }
}