remove_duplicate_sorted_list

  • 2022-12-14
  • 浏览 (533)

remove_duplicate_sorted_list.cpp 源码

// 删除排序链表中的重复项

struct ListNode {
    int val;
    ListNode *next;

    ListNode() : val(0), next(nullptr) {}
    ListNode(int x) : val(x), next(nullptr) {}
    ListNode(int x, ListNode *next) : val(x), next(next) {}
};

class Solution {
public:
    ListNode* deleteDuplicates(ListNode* head) {
        ListNode* p = head;
        while (p && p->next) {
            if (p->val == p->next->val) {
                p->next = p->next->next;
            } else {
                p = p->next;
            }
        }
        return head;
    }
};

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