题解 | #删除有序链表中重复的元素-I# 需要记录下来的题目

/**
 * struct ListNode {
 *	int val;
 *	struct ListNode *next;
 * };
 */

class Solution {
public:
    /**
     * 
     * @param head ListNode类 
     * @return ListNode类
     */
    ListNode* deleteDuplicates(ListNode* head) {
        if (!head) {
            return head;
        }
        ListNode *curr = head;
        while(curr->next) {
            if (curr->val == curr->next->val) {
                curr->next = curr->next->next;
            } else {
                curr = curr->next;
            }
        }
        return head;
        // write code here
    }
};