Apple Catching Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9831   Accepted: 4779 Description It is a little known fact that cows love apples. Farmer John has two apple trees (which are conveniently numbered 1 and 2) in his field, eac…

Description It and ) in his field, each full of apples. Bessie cannot reach the apples when they are on the tree, so she must wait for them to fall. However, she must catch them in the air since the apples bruise when they hit the ground (and no one…

dp dp( x , k ) = max( dp( x - 1 , k - 1 ) + *** , dp( x - 1 , k ) + *** ) *** = 0 or 1 ,根据情况 (BZOJ 1750双倍经验) ------------------------------------------------------------------------ #include<cstdio> #include<cstring> #include<algorithm>…

Apple Catching   Description It is a little known fact that cows love apples. Farmer John has two apple trees (which are conveniently numbered 1 and 2) in his field, each full of apples. Bessie cannot reach the apples when they are on the tree, so sh…

Apple Catching Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 13447   Accepted: 6549 Description It is a little known fact that cows love apples. Farmer John has two apple trees (which are conveniently numbered 1 and 2) in his field, ea…

题目传送门 Apple Catching Apple Catching Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 15444   Accepted: 7582 Description It is a little known fact that cows love apples. Farmer John has two apple trees (which are conveniently numbered 1 an…

题意:2棵苹果树在T分钟内每分钟随机由某一棵苹果树掉下一个苹果,奶牛站在树#1下等着吃苹果,它最多愿意移动W次,问它最多能吃到几个苹果.思路:不妨按时间来思考,一给定时刻i,转移次数已知为j, 则它只能由两个状态转移而来.即上一时刻同一棵树或上一时刻不同的树    dp[i][j] = max(dp[i-1][j], dp[i-1][j-1]);则这一时刻在转移次数为j的情况下最多能接到的苹果为那两个状态的最大值再加上当前能接受到的苹果.(注意当前能否拿到苹果只与转移次数有关)    if (j…

Apple Catching Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9978   Accepted: 4839 Description It is a little known fact that cows love apples. Farmer John has two apple trees (which are conveniently numbered 1 and 2) in his field, eac…

3384/1750: [Usaco2004 Nov]Apple Catching 接苹果 Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 18  Solved: 16[Submit][Status][Discuss] Description     很少有人知道奶牛爱吃苹果．农夫约翰的农场上有两棵苹果树(编号为1和2),每一棵树上都长满了苹果．奶牛贝茜无法摘下树上的苹果,所以她只能等待苹果从树上落下．但是,由于苹果掉到地上会摔烂,贝茜必须在半空中接住…

双倍经验题... -->1750 dp!! 3384: [Usaco2004 Nov]Apple Catching 接苹果 Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 61  Solved: 52[Submit][Status][Discuss] Description     很少有人知道奶牛爱吃苹果．农夫约翰的农场上有两棵苹果树(编号为1和2),每一棵树上都长满了苹果．奶牛贝茜无法摘下树上的苹果,所以她只能等待苹果从树上落下．但是,由于苹果掉…