更正 0019 删除链表中倒数第N个节点 JavaScript 代码

2021-12-01 20:56:22 +08:00 · 2021-12-01 20:56:22 +08:00 · 2789554d52
parent a6a0bc5e17
commit 2789554d52
1 changed files with 1 additions and 2 deletions
--- a/problems/0019.删除链表的倒数第N个节点.md
+++ b/problems/0019.删除链表的倒数第N个节点.md
@ -173,8 +173,7 @@ var removeNthFromEnd = function(head, n) {
    let ret = new ListNode(0, head),
        slow = fast = ret;
    while(n--) fast = fast.next;
-    if(!fast) return ret.next;
-    while (fast.next) {
+    while (fast.next !== null) {
        fast = fast.next; 
        slow = slow.next
    };