2012 Asia ChangChun Regional Contest(2013区域赛练习)

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去年比赛只去了长春,几乎没做题和看题,今天一个人做了4小时最后出了4题,可惜有一题有思路,最后没时间做了,今年这个实力估计铜都很难保证。

code:https://github.com/9974/2012Region/tree/master/changchun(已更新4424)

4421  2-sat,算很基本的了,用vector写很卡时间,写搓了就会TLE。

4422  模拟 比较水

4424  并查集,是最小生成树的拓展生成树相关问题学习

4427  很清晰的dp,只是写搓了会TLE,本人很搓,T了好几发。

4430  二分,注意要判断加数是否爆long long

SolvedPro.IDTitleAuthorSource(AC/Submit)Ratio 4420Alice and Bob2012 Asia ChangChun Regional Contest(36/373)9.65%You has solved this problem :-)4421Bit Magic2012 Asia ChangChun Regional Contest(339/1206)28.11%You has solved this problem :-)4422The Little Girl who Picks Mushrooms2012 Asia ChangChun Regional Contest(331/1018)32.51% 4423Simple Function2012 Asia ChangChun Regional Contest(33/116)28.45%You has solved this problem :-)4424Conquer a New Region2012 Asia ChangChun Regional Contest(253/831)30.45% 4425Fantastic Necklace2012 Asia ChangChun Regional Contest(11/124)8.87% 4426Palindromic Substring2012 Asia ChangChun Regional Contest(46/293)15.70%You has solved this problem :-)4427Math Magic2012 Asia ChangChun Regional Contest(292/749)38.99% 4428Polaris of Pandora2012 Asia ChangChun Regional Contest(13/61)21.31% 4429Split the Rectangle2012 Asia ChangChun Regional Contest(62/177)35.03%You has solved this problem :-)4430Yukari's Birthday2012 Asia ChangChun Regional Contest(365/1772)20.60%

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