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Update 0203.移除链表元素.md

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The variable cur could be null, should add the union to the type of cur.
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Aaron-Lin-74
2022-03-04 10:52:42 +11:00
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parent fdedb546b3
commit cc302a9e8d
1 changed files with 1 additions and 1 deletions
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problems/0203.移除链表元素.md
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@ -324,7 +324,7 @@ function removeElements(head: ListNode | null, val: number): ListNode | null {
head = head.next; head = head.next;
} }
if (head === null) return head; if (head === null) return head;
let pre: ListNode = head, cur: ListNode = head.next; let pre: ListNode = head, cur: ListNode | null = head.next;
// 删除非头部节点 // 删除非头部节点
while (cur) { while (cur) {
if (cur.val === val) { if (cur.val === val) {