题解 | #链表中环的入口结点#
链表中环的入口结点
https://www.nowcoder.com/practice/253d2c59ec3e4bc68da16833f79a38e4
/*function ListNode(x){
this.val = x;
this.next = null;
}*/
function EntryNodeOfLoop(pHead)
{
// write code here
while(pHead!==null){
if(pHead.flag){
return pHead;
}else{
//pHead=pHead.next;
pHead.flag=true;
pHead=pHead.next;
}
}
return null;
}
module.exports = {
EntryNodeOfLoop : EntryNodeOfLoop
};
this.val = x;
this.next = null;
}*/
function EntryNodeOfLoop(pHead)
{
// write code here
while(pHead!==null){
if(pHead.flag){
return pHead;
}else{
//pHead=pHead.next;
pHead.flag=true;
pHead=pHead.next;
}
}
return null;
}
module.exports = {
EntryNodeOfLoop : EntryNodeOfLoop
};
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