题解 | #删除链表峰值#
删除链表峰值
https://www.nowcoder.com/practice/30a06e4e4aa549198d85deef1bab6d25
/** * struct ListNode { * int val; * struct ListNode *next; * }; */ /** * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 * * * @param head ListNode类 * @return ListNode类 */ #include <stdlib.h> struct ListNode* deleteNodes(struct ListNode* head ) { // write code here if (head == NULL || head->next == NULL) { return head; } struct ListNode* pre = head; struct ListNode* cur = head->next; while (cur->next) { if (cur->val > pre->val && cur->val > cur->next->val) { pre->next = cur->next; cur = cur->next; } else { pre = cur; cur = cur->next; } } return head; }