web入门171 看到这个查询语句,我们可以进行相关操作 $sql = "select username,password from user where username !='flag' and id = '".$_GET['id']."' limit 1;"; 输入1,在数据库中语句应该就变成这样了 select username,password from user where username !='flag' and id = '1' limit 1;…
2.Add Two Numbers 原题链接https://leetcode.com/problems/add-two-numbers/ AC解: public ListNode addTwoNumbers(ListNode l1, ListNode l2) { int sum = 0; ListNode head = new ListNode(0); ListNode dummy = new ListNode(0); ListNode flag = dummy; dummy.next = he…