2024年7月22日
[AtCoder Beginner Contest 363] D - Palindromic Number
摘要： 1. The 1st palindromic number is 0, so we do N-- to exclude 0. 2. F(k): the number of palindromic numbers of length k. F(1) = 9; F(2) = 9; F(k) = F(k 阅读全文
posted @ 2024-07-22 02:21 Review->Improve 阅读(25) 评论(0) 推荐(0) 编辑