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题目链接 Binary Apple Tree 题目描述 Let's imagine how apple tree looks in binary computer world. You're right, it looks just like a binary tree, i.e. any bipa 阅读全文
posted @ 2020-08-11 18:27
oblivionl
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题目链接 Anniversary Party 题目背景 The president of the Ural State University is going to make an 80'th Anniversary party. The university has a hierarchical 阅读全文
posted @ 2020-08-11 18:25
oblivionl
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题目链接 Longge's problem 题目描述 Longge is good at mathematics and he likes to think about hard mathematical problems which will be solved by some graceful 阅读全文
posted @ 2020-08-11 18:24
oblivionl
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题目链接 Farey Sequence 题目描述 The Farey Sequence Fn for any integer \(n\) with \(n \ge 2\) is the set of irreducible rational numbers \(a/b\) with $0 < a < 阅读全文
posted @ 2020-08-11 18:22
oblivionl
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题目链接 How many ways?? 题目描述 春天到了, HDU校园里开满了花, 姹紫嫣红, 非常美丽. 葱头是个爱花的人, 看着校花校草竞相开放, 漫步校园, 心情也变得舒畅. 为了多看看这迷人的校园, 葱头决定, 每次上课都走不同的路线去教室, 但是由于时间问题, 每次只能经过$k$个地方 阅读全文
posted @ 2020-08-11 18:20
oblivionl
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题目链接 随机数生成器 题目描述 栋栋最近迷上了随机算法，而随机数生成是随机算法的基础。栋栋准备使用线性同余法（Linear Congruential Method）来生成一个随机数列，这种方法需要设置四个非负整数参数$m$，\(a\)，\(c\)，\(X_0\)，按照下面的公式生成出一系列随机数 阅读全文
posted @ 2020-08-11 18:19
oblivionl
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题目链接 Another kind of Fibonacci 题目描述 As we all known , the Fibonacci series : \(F\)($0$)\(=1\),\(F\)($1$)\(=1\),\(F\)(\(N\))\(=F\)(\(N-1\))\(+F\)(\(N-2 阅读全文
posted @ 2020-08-11 18:18
oblivionl
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题目链接 Queuing 题目描述 Queues and Priority Queues are data structures which are known to most computer scientists. The Queue occurs often in our daily life 阅读全文
posted @ 2020-08-11 18:17
oblivionl
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题目链接 A Simple Math Problem 题目描述 Lele now is thinking about a simple function f(x). If x < 10 f(x) = x. If x >= 10 f(x) = a0$\(f(x-1)+a1\)\(f(x-2)+a2\) 阅读全文
posted @ 2020-08-11 18:16
oblivionl
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题目链接 Tr A 题目描述 $A$为一个方阵，则$Tr\ A$表示$A$的迹（就是主对角线上各项的和），现要求$Tr$(\(A^k\))\(\%9973\)。 输入格式 数据的第一行是一个$T$，表示有$T$组数据。 每组数据的第一行有$n$($2 \le n \le 10$)和$k$($2 \l 阅读全文
posted @ 2020-08-11 18:15
oblivionl
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