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题意 游乐园被描述成一张 n 个点,m 条边的无向图(无重边,无自环)。每个点代表一个娱乐项目,第 i 个娱乐项目需要耗费 ci 分钟的时间,会让小 y 和妹子的开心度分别增加 h1i ,h2i ,他们俩初始的开心度都是 0 。每条边代表一条路,第 i 条边连接编号为 xi , yi 的两个娱乐项目 阅读全文
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E. Liar The first semester ended. You know, after the end of the first semester the holidays begin. On holidays Noora decided to return to Vičkopolis. 阅读全文
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D. My pretty girl Noora In Pavlopolis University where Noora studies it was decided to hold beauty contest "Miss Pavlopolis University". Let's describ 阅读全文
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C. Hacker, pack your bags! It's well known that the best way to distract from something is to do one's favourite thing. Job is such a thing for Leha. 阅读全文
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B. Crossword solving Erelong Leha was bored by calculating of the greatest common divisor of two factorials. Therefore he decided to solve some crossw 阅读全文
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A. I'm bored with life Holidays have finished. Thanks to the help of the hacker Leha, Noora managed to enter the university of her dreams which is loc 阅读全文