uva237

maksyuki 发表于 oj 分类,标签:
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uva237

A children's puzzle that was popular 30 years ago consisted of a 5x5 frame which contained 24 small squares of equal size. A unique letter of the alphabet was printed on each small square. Since there were only 24 squares within the frame, the frame >>继续阅读

uva213

maksyuki 发表于 oj 分类,标签:
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uva213

Some message encoding schemes require that an encoded message be sent in two parts. The first part, called the header, contains the characters of the message. The second part contains a pattern that represents the message. You must write a program th >>继续阅读

uva202

maksyuki 发表于 oj 分类,标签:
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uva202

The decimal expansion of the fraction 1/33 is  , where the  is used to indicate that the cycle 03 repeats indefinitely with no intervening digits. In fact, the decimal expansion of every rational number (fraction) has a repeating cycle as opposed to >>继续阅读

uva136

maksyuki 发表于 oj 分类,标签:
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uva136

Ugly numbers are numbers whose only prime factors are 2, 3 or 5. The sequence

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, ...

shows the first 11 ugly numbers. By convention, 1 is included.

>>继续阅读

fzu1759

maksyuki 发表于 oj 分类,标签:
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fzu1759

Problem Description

Given A,B,C, You should quickly calculate the result of A^B mod C. (1<=A,C<=1000000000,1<=B<=10^1000000).

 Input

There are multiply testcases. Each testcase, there is one line contains three integers A, B and C, >>继续阅读

fzu1669

maksyuki 发表于 oj 分类,标签:
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fzu1669

Problem Description

A triangle is one of the basic shapes of geometry: a polygon with three corners or vertices and three sides or edges which are line segments. A triangle with vertices A, B, and C is denoted △ABC.

Triangles can also be classifi >>继续阅读

acdream1077

maksyuki 发表于 oj 分类,标签:
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acdream1077

Problem Description

Some days ago, I learned the concept of LCM (least common multiple). I've played with it for several times and I want to make a big number with it.

But I also don't want to use many numbers, so I'll choose three positive integ >>继续阅读

vijos1448

maksyuki 发表于 oj 分类,标签:
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vijos1448

描述

校门外有很多树,有苹果树,香蕉树,有会扔石头的,有可以吃掉补充体力的……

如今学校决定在某个时刻在某一段种上一种树,保证任一时刻不会出现两段相同种类的树,现有两个操作: >>继续阅读

vijos1312

maksyuki 发表于 oj 分类,标签:
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vijos1312

描述

在Mars星球上,每个Mars人都随身佩带着一串能量项链。在项链上有N颗能量珠。能量珠是一颗有头标记与尾标记的珠子,这些标记对应着某个正整数。并且,对于相邻的两颗珠子,前一颗珠子的尾标记一定等于后一颗珠子的头标记。因为只有这样,通过吸盘(吸盘是Mars人吸收能量的一种器官)的作用, >>继续阅读

vijos1165

maksyuki 发表于 oj 分类,标签:
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vijos1165

描述

曹操平定北方以后,公元208年,率领大军南下,进攻刘表。他的人马还没有到荆州,刘表已经病死。他的儿子刘琮听到曹军声势浩大,吓破了胆,先派人求降了。

孙权任命周瑜为都督,拨给他三万水军,叫他同刘备协力抵抗曹操。

隆冬的十一月,天气突然回暖,刮起了东南风。 >>继续阅读

vijos1098

maksyuki 发表于 oj 分类,标签:
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vijos1098

描述

N位同学站成一排,音乐老师要请其中的(N-K)位同学出列,使得剩下的K位同学排成合唱队形。

合唱队形是指这样的一种队形:设K位同学从左到右依次编号为1,2…,K,他们的身高分别为T1,T2,…,TK, 则他们的身高满足T1<...<Ti>Ti+1>…>TK(1<=i<=K)。 >>继续阅读

zoj3609

maksyuki 发表于 oj 分类,标签:
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zoj3609

Modular Inverse

The modular modular multiplicative inverse of an integer a modulo m is an integer x such that a-1≡x (mod m). This is equivalent to ax≡1 (mod m).

Input

There are multiple test cases. The first line of input is an integer T ≈ 2000 >>继续阅读

zoj3203

maksyuki 发表于 oj 分类,标签:
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zoj3203

Light Bulb

Compared to wildleopard's wealthiness, his brother mildleopard is rather poor. His house is narrow and he has only one light bulb in his house. Every night, he is wandering in his incommodious house, thinking of how to earn more money. O >>继续阅读

zoj2913

maksyuki 发表于 oj 分类,标签:
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zoj2913

Bus Pass

You travel a lot by bus and the costs of all the seperate tickets are starting to add up.

Therefore you want to see if it might be advantageous for you to buy a bus pass.

The way the bus system works in your country (and also in the Ne >>继续阅读

zoj2797

maksyuki 发表于 oj 分类,标签:
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zoj2797

106 miles to Chicago

In the movie "Blues Brothers", the orphanage where Elwood and Jack were raised may be sold to the Board of Education if they do not pay 5000 dollars in taxes at the Cook Country Assessor's Office in Chicago. After playing a gig >>继续阅读

zoj2750

maksyuki 发表于 oj 分类,标签:
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zoj2750

Idiomatic Phrases Game

Tom is playing a game called Idiomatic Phrases Game. An idiom consists of several Chinese characters and has a certain meaning. This game will give Tom two idioms. He should build a list of idioms and the list starts and ends >>继续阅读