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2018. The Debut Album Time limit: 2.0 secondMemory limit: 64 MB Pop-group “Pink elephant” entered on recording their debut album. In fact they have on 阅读全文
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2017. Best of a bad lot Time limit: 1.0 secondMemory limit: 64 MB A cruise liner hasn’t moved away from the land even for three miles when it became a 阅读全文
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2016. Magic and Science Time limit: 1.0 secondMemory limit: 64 MB Scientists who specialize in witchcraft have recently discovered a new elementary pa 阅读全文
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2015. Zhenya moves from the dormitory Time limit: 1.0 secondMemory limit: 64 MB After moving from his parents’ place Zhenya has been living in the Uni 阅读全文
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2014. Zhenya moves from parents Time limit: 1.0 secondMemory limit: 64 MB Zhenya moved from his parents’ home to study in other city. He didn’t take a 阅读全文
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2013. Neither shaken nor stirred Time limit: 1.0 secondMemory limit: 64 MB The ACM ICPC regional contest in St. Petersburg is a stressful event even f 阅读全文
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2012. About Grisha N. Time limit: 1.0 secondMemory limit: 64 MB Grisha N. told his two teammates that he was going to solve all given problems at the 阅读全文
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昨天在敲一个数位DP的问题，但是用到了这个坑D的问题，找了半天错，还以为又是什么奇怪的算法，结果发现思路一致，然后自己各种YY修改，最后不得不和正确答案比对，但是最后发现标准答案和自己的想法几乎一模一样，最后一个函数一个函数替换比对，发现问题竟然出在了pow函数上。 其实很早之前再A题的时候就出现过 阅读全文