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ACM练习题

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全部文章 / ACM练习题（共250篇）

poj3169——Layout

Like everyone else, cows like to stand close to their friends when queuing for feed. FJ has N (2 <= N <= 1,000) cows numbered 1..N standing alon...

2021-04-05

0 700

hdu2157——How many ways??

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, 比方说, 这次葱头决定经过2个地方, 那他可以先去问...

2021-04-05

0 457

LightOJ1336——Sigma Function

Sigma function is an interesting function in Number Theory. It is denoted by the Greek letter Sigma (σ). This function actually denotes the sum of all...

2021-04-05

0 527

LightOJ1341——Aladdin and the Flying Carpet

It’s said that Aladdin had to solve seven mysteries before getting the Magical Lamp which summons a powerful Genie. Here we are concerned about the fi...

2021-04-05

0 494

LightOJ1370——Bi-shoe and Phi-shoe

Bamboo Pole-vault is a massively popular sport in Xzhiland. And Master Phi-shoe is a very popular coach for his success. He needs some bamboos for his...

2021-04-05

0 501

LightOJ1282——Leading and Trailing

You are given two integers: n and k, your task is to find the most significant three digits, and least significant three digits of nk. Input Input s...

2021-04-05

0 438

LightOJ1259——Goldbach`s Conjecture

Goldbach’s conjecture is one of the oldest unsolved problems in number theory and in all of mathematics. It states: Every even integer, greater than ...

2021-04-05

0 574

LightOJ1234——Harmonic Number

In mathematics, the nth harmonic number is the sum of the reciprocals of the first n natural numbers: In this problem, you are given n, you have to...

2021-04-05

0 408

hdu1686——Oulipo

The French author Georges Perec (1936–1982) once wrote a book, La disparition, without the letter ‘e’. He was a member of the Oulipo group. A quote fr...

2021-04-05

0 481

hdu3746——Cyclic Nacklace

CC always becomes very depressed at the end of this month, he has checked his credit card yesterday, without any surprise, there are only 99.9 yuan le...

2021-04-05

0 530