摘要：
P3147 [USACO16OPEN]262144 题目描述 Bessie likes downloading games to play on her cell phone, even though she doesfind the small touch screen rather cumber 阅读全文
摘要：
题目描述 Bessie likes downloading games to play on her cell phone, even though she doesfind the small touch screen rather cumbersome to use with her large 阅读全文
摘要：
区间dp？ 状态设计为描述一段区间的dp。 eg：f[i][j]表示从 i 到 j 这个区间上的最优值。 阅读全文
摘要：
题目描述 FJ has purchased N (1 <= N <= 2000) yummy treats for the cows who get money for giving vast amounts of milk. FJ sells one treat per day and wants 阅读全文