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Help Me EscapeTime Limit: 2 Seconds Memory Limit: 32768 KBBackgroundIf thou doest well, shalt thou not be accepted? and if thou doest not well, sin l... 阅读全文
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学习：换一个角度考虑问题。YY's MinionsTime Limit: 2 Seconds Memory Limit: 65536 KBDespite YY's so much homework, she would like to take some time to play with her... 阅读全文
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http://acm.sgu.ru/problem.php?contest=0&problem=495学习：当一条路走不通，换一种对象考虑，还有考虑对立面。495. Kids and PrizesTime limit per test: 0.25 second(s)Memory limit: 262... 阅读全文
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学习位运算在比赛的技巧http://poj.org/problem?id=3071FootballTime Limit:1000MSMemory Limit:65536KTotal Submissions:3075Accepted:1558DescriptionConsider a single-e... 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=4974话说是签到题，我也不懂什么是签到题。A simple water problemTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 ... 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=4972++和+1还是有区别的，不可大意。A simple dynamic programming problemTime Limit: 2000/1000 MS (Java/Others)Memory Limit:... 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=4968这题是很简单的，我有思路，但是我确自己在比赛的时候没做，现在我按照我自己的思路写，一下子就a了，当时太不自信了，总是依靠同学去写。Improving the GPATime Limit: 2000/1000 ... 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=4089ActivationTime Limit: 20000/10000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submiss... 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=4035树上的概率dp。MazeTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65768/65768 K (Java/Others) Total Submis... 阅读全文
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http://poj.org/problem?id=3744Scout YYF ITime Limit:1000MSMemory Limit:65536KTotal Submissions:4850Accepted:1288DescriptionYYF is a couragous scout. N... 阅读全文