/*function ListNode(x){
this.val = x;
this.next = null;
}*/
function printListFromTailToHead(head)
{
// write code here
let pre = null
let cur = head
let next = null
while(cur){
next = cur.next
cur.next = pre
pre = cur
cur = next
}
const m = []
while(pre){
m.push(pre.val)
pre = pre.next
}
return m
}
module.exports = {
printListFromTailToHead : printListFromTailToHead
}; 


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