https://www.luogu.org/problem/show?pid=1204 题目描述 三个农民每天清晨5点起床,然后去牛棚给3头牛挤奶。第一个农民在300秒(从5点开始计时)给他的牛挤奶,一直到1000秒。第二个农民在700秒开始,在 1200秒结束。第三个农民在1500秒开始2100秒 ...
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其他好文 时间:
2017-09-06 19:34:41
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156
Lost Cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11946 Accepted: 7690 Description N (2 <= N <= 8,000) cows have unique brands in t ...
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其他好文 时间:
2017-09-05 20:59:11
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146
P3119 [USACO15JAN]草鉴定Grass Cownoisseur 题目描述 In an effort to better manage the grazing patterns of his cows, Farmer John has installed one-way cow path ...
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其他好文 时间:
2017-09-05 15:53:58
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326
题目链接:http://poj.org/problem?id=3186 题意:给定一组序列,取n次,每次可以取序列最前面的数或最后面的数,第n次出来就乘n,然后求和的最大值。 题解:用dp[i][j]表示i~j区间和的最大值,然后根据这个状态可以从删前和删后转移过来,推出状态转移方程: dp[i][ ...
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其他好文 时间:
2017-09-04 22:48:51
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358
问题背景 在实现git上的开源串口驱动api(android_serialport_api)的LoopBackActivity例程的时候,意外发现一个奇怪的现象:有时候启动LoopBackActivity时,第一个字节会Lost(Corrupted为0)。进入调试模式,断点打在接收线程的onData ...
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移动开发 时间:
2017-09-04 21:24:08
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776
P3004 [USACO10DEC]宝箱Treasure Chest 题目描述 Bessie and Bonnie have found a treasure chest full of marvelous gold coins! Being cows, though, they can't jus ...
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其他好文 时间:
2017-09-03 18:37:45
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187
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 to m ...
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2017-09-03 10:06:55
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210
1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a uni ...
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其他好文 时间:
2017-09-03 01:14:15
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282
1636: [Usaco2007 Jan]Balanced Lineup Description For the daily milking, Farmer John's N cows (1 <= N <= 50,000) always line up in the same order. One ...
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其他好文 时间:
2017-09-02 21:47:03
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182
Apple Catching Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 13234 Accepted: 6437 Description It is a little known fact that cows love ap ...
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移动开发 时间:
2017-09-02 15:48:49
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275