Merge pull request #1925 from ZerenZhang2022/patch-11

Update 0019.删除链表的倒数第N个节点.md
2023-03-08 10:08:20 +08:00 · 2023-03-08 10:08:20 +08:00 · 6f30807f78
parent f88190bdb4 5e08d1b810
commit 6f30807f78
1 changed files with 2 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
@ -129,10 +129,10 @@ class Solution:
        head_dummy.next = head

        slow, fast = head_dummy, head_dummy
-        while(n!=0): #fast先往前走n步
+        while(n>=0): #fast先往前走n+1步
            fast = fast.next
            n -= 1
-        while(fast.next!=None):
+        while(fast!=None):
            slow = slow.next
            fast = fast.next
        #fast 走到结尾后，slow的下一个节点为倒数第N个节点