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全部文章（共388篇）

hdu1850——Being a Good Boy in Spring Festival

一年在外父母时刻牵挂春节回家你能做几天好孩子吗寒假里尝试做做下面的事情吧陪妈妈逛一次菜场悄悄给爸爸买个小礼物主动地强烈地要求洗一次碗某一天早起给爸妈用心地做回早餐如果愿意你还可以和爸妈说咱们玩个小游戏吧 ACM课上学的呢～下面是一个二人小游戏：桌子上有...

2021-04-05

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hdu2150——折线分割平面

我们看到过很多直线分割平面的题目，今天的这个题目稍微有些变化，我们要求的是n条折线分割平面的最大数目。比如，一条折线可以将平面分成两部分，两条折线最多可以将平面分成7部分，具体如下所示。 Input 输入数据的第一行是一个整数C,表示测试实例的个数，然后是C 行数据，每行包含一个整数n(0&...

2021-04-05

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Codeforces1011A——Stages

Natasha is going to fly to Mars. She needs to build a rocket, which consists of several stages in some order. Each of the stages is defined by a lower...

2021-04-05

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Codeforces1011B——Planning The Expedition

Natasha is planning an expedition to Mars for n people. One of the important tasks is to provide food for each participant. The warehouse has m daily...

2021-04-05

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Codeforces1011C——Fly

Natasha is going to fly on a rocket to Mars and return to Earth. Also, on the way to Mars, she will land on n−2 intermediate planets. Formally: we num...

2021-04-05

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Codeforces1011D——Rocket

This is an interactive problem. Natasha is going to fly to Mars. Finally, Natasha sat in the rocket. She flies, flies… but gets bored. She wishes to ...

2021-04-05

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Codeforces1016D——Vasya And The Matrix

Now Vasya is taking an exam in mathematics. In order to get a good mark, Vasya needs to guess the matrix that the teacher has constructed! Vasya know...

2021-04-05

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hdu2082——找单词

假设有x1个字母A， x2个字母B,….. x26个字母Z，同时假设字母A的价值为1，字母B的价值为2,….. 字母Z的价值为26。那么，对于给定的字母，可以找到多少价值<=50的单词呢？单词的价值就是组成一个单词的所有字母的价值之和，比如，单词ACM的价值是1+3+14=18，单词HDU的价...

2021-04-05

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Codeforces1029A——Many Equal Substrings

You are given a string t consisting of n lowercase Latin letters and an integer number k. Let’s define a substring of some string s with indices from...

2021-04-05

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Codeforces1029B——Creating the Contest

You are given a problemset consisting of n problems. The difficulty of the i-th problem is ai. It is guaranteed that all difficulties are distinct and...

2021-04-05

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