题解 | #单链表的排序#

 * function ListNode(x){
 *   this.val = x;
 *   this.next = null;
 * }
 */

/**
 * 
 * @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
    for(let i = 0;i < arr.length;i++){
        cur.val = arr[i]
        cur = cur.next
    }
    return head
}
module.exports = {
    sortInList : sortInList
};