2017年7月14日
洛谷—— P1118 [USACO06FEB]数字三角形Backward Digit Su…
摘要： https://www.luogu.org/problem/show?pid=1118#sub 题目描述 FJ and his cows enjoy playing a mental game. They write down the numbers from 1 to N (1 <= N <= 1 阅读全文
posted @ 2017-07-14 09:06 Aptal丶 阅读(350) 评论(0) 推荐(0)