论文笔记：Retrieval-Augmented Generation forAI-Generated Content: A Survey

解题思路：

这，真的是，省赛真题吗...

public class Main {
    public static void main(String[] args) {
        long res = 0;
        for (int i = 1; i <= 20230408; i++) {
            res += i;
        }
        System.out.print(res);
    }
}