题解 | #单链表的排序#

/*
 * function ListNode(x){
 *   this.val = x;
 *   this.next = null;
 * }
 */
/**
 * 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 head ListNode类 the head node
 * @return ListNode类
 */
function sortInList( head ) {
    // write code here
    let arr = []
    let cur = head
    while(cur){
        arr.push(cur.val)
        cur = cur.next
    }
    arr.sort((a,b)=>a-b)
    cur = head
    arr.forEach((val)=>{
        cur.val = val
        cur = cur.next
    })
    return head
}
module.exports = {
    sortInList : sortInList
};