2019年2月22日
Treats for the Cows (区间DP)
摘要： Treats for the Cows POJ - 3186 FJ has purchased N (1 <= N <= 2000) yummy treats for the cows who get money for giving vast amounts of milk. FJ sells o 阅读全文
posted @ 2019-02-22 13:00 *starry* 阅读(174) 评论(0) 推荐(0) 编辑