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python在线反编译把.pyc反编译为伪代码 #!/usr/bin/env python # visit https://tool.lu/pyc/ for more information import base64 def encode(message): s = '' for i in mes 阅读全文
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Description 你被要求设计一个计算器完成以下三项任务: 1、给定y,z,p,计算Y^Z Mod P 的值; 2、给定y,z,p,计算满足xy≡ Z ( mod P )的最小非负整数; 3、给定y,z,p,计算满足Y^x ≡ Z ( mod P)的最小非负整数。 Input 输入包含多组数据 阅读全文
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Description The branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number t 阅读全文
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Description The Leiden University Library has millions of books. When a student wants to borrow a certain book, he usually submits an online loan form 阅读全文
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Problem Description Last night, little erriyue had a horrible nightmare. He dreamed that he and his girl friend were trapped in a big maze separately. 阅读全文
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B. Alyona and a tree Alyona has a tree with n vertices. The root of the tree is the vertex 1. In each vertex Alyona wrote an positive integer, in the 阅读全文