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Description osu 是一款群众喜闻乐见的休闲软件。 我们可以把osu的规则简化与改编成以下的样子: 一共有n次操作，每次操作只有成功与失败之分，成功对应1，失败对应0，n次操作对应为1个长度为n的01串。在这个串中连续的 X个1可以贡献X^3 的分数，这x个1不能被其他连续的1所包含（也 阅读全文
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Description You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: 阅读全文
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Description Pashmak's homework is a problem about graphs. Although he always tries to do his homework completely, he can't solve this problem. As you 阅读全文
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Description The Bad Luck Island is inhabited by three kinds of species: r rocks, s scissors and p papers. At some moments of time two random individua 阅读全文