本文共 613 字,大约阅读时间需要 2 分钟。
问题:
Given a sorted linked list, delete all duplicates such that each element appear only once.
For example,
Given 1->1->2
, return 1->2
.
Given 1->1->2->3->3
, return 1->2->3
.
字符串操作。
代码:
*/class Solution {public: ListNode *deleteDuplicates(ListNode *head) { ListNode *result = head; if(head == NULL) return head; while(head->next != NULL) { if(head->next->val == head->val) { head->next = head->next->next; } else { head = head->next; } } return result; }};
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