Description standard input/output Islam is usually in a hurry. He often types his passwords incorrectly. He hates retyping his password several times whenever he tries to login, especially that his passwords are usually very long. He believes that we…

Yousef has a string s that is used to build a magical string w by repeating the string s infinitely many times. For example, if s = aabbb , then w = aabbbaabbbaabbbaabbb.... Mohammad always claims that his memory is strong, and that his ability to co…

Islam is usually in a hurry. He often types his passwords incorrectly. He hates retyping his password several times whenever he tries to login, especially that his passwords are usually very long. He believes that websites should be tolerant with ver…

最近意志力好飘摇..不知道坚不坚持得下去.. 这么弱还瞎纠结...可以滚了.. 水题都不会做.. LCS (A) 水 LCS (B) 没有看题 Gym 100989C 水 1D Cafeteria (B) 不会捉 Gym 100989E 水 Gym 100989F 水 Mission in Amman (B) 没看题 Queue (A) 感觉题意理解得有问题啊 #include <iostream> #include <cstdio> #include <cstring>…

Weird Cryptography Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u  Gym 100935B Description standard input/output Khaled was sitting in the garden under an apple tree, suddenly! , well... you should guess what happened, a…

C. Palindrome Again !! time limit per test:1 second memory limit per test:64 megabytes input:standard input output:standard output Given string with N characters, your task is to transform it to a palindrome string. It's not as easy as you may think…

A. Who is the winner? time limit per test:1 second memory limit per test:64 megabytes input:standard input output:standard output A big marathon is held on Al-Maza Road, Damascus. Runners came from all over the world to run all the way along the road…

原题链接:http://codeforces.com/gym/100338/attachments/download/2136/20062007-winter-petrozavodsk-camp-andrew-stankevich-contest-22-asc-22-en.pdf 题意 这是一个过滤垃圾邮件的算法,叫贝叶斯算法.这个算法的第一步是训练过程,通过人工给定的邮件,来确定每个词语在垃圾邮件中的概率和在普通邮件的概率.然后通过贝叶斯公式来计算每个邮件是否为垃圾邮件.具体过程可以看题,或者…

如果想用强化学习去实现扫雷.2048这种带有数字提示信息的游戏,自然是希望自定义 gym 环境时能把字符显示出来.上网查了很久,没有找到gym自带的图形工具Viewer可以显示字符串的信息,反而是通过pyglet: import pyglet from gym.envs.classic_control import rendering class DrawText: def __init__(self, label:pyglet.text.Label): self.label=label def…

题目链接 给定一个字符串.输入是int& a*[]&, b, c*; 输出是 int&&[]* a;int& b;int&* c; 输入格式里逗号后面一定有个空格,把字母后面的符号逆序拿到前面来,按每个逗号分隔输出即可. 注意输出格式一定是定义类型+符号+空格+字母或字符串+分号. #include <iostream> #include <cstdio> #include <cmath> #include <cst…