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全部文章（共388篇）

CodeForces1041B——Buying a TV Set

Monocarp has decided to buy a new TV set and hang it on the wall in his flat. The wall has enough free space so Monocarp can buy a TV set with screen ...

2021-04-05

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Codeforces712C——Memory and De-Evolution

Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishe...

2021-04-05

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hdu6435——Problem J. CSGO

You are playing CSGO. There are n Main Weapons and m Secondary Weapons in CSGO. You can only choose one Main Weapon and one Secondary Weapon. For each...

2021-04-05

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hdu6433——Problem H. Pow

There are n numbers 3^0, 3^1, . . . , 3^n-1. Each time you can choose a subset of them (may be empty), and then add them up. Count how many numbers ca...

2021-04-05

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hdu6434——Problem I. Count

Multiple query, for each n, you need to get n i-1 ∑ ∑ [gcd(i + j, i - j) = 1] i=1 j=1 Input On the first line, there is a positive integer T, which de...

2021-04-05

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hdu6437——Problem L.Videos

C-bacteria takes charge of two kinds of videos: ’The Collection of Silly Games’ and ’The Collection of Horrible Games’. For simplicity’s sake, they wi...

2021-04-05

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hdu6438——Buy and Resell

The Power Cube is used as a stash of Exotic Power. There are n cities numbered 1,2,…,n where allowed to trade it. The trading price of the Power Cube ...

2021-04-05

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hdu5074——Hatsune Miku

Hatsune Miku is a popular virtual singer. It is very popular in both Japan and China. Basically it is a computer software that allows you to compose a...

2021-04-05

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Tobaku Mokushiroku Kaiji

链接：https://www.nowcoder.com/acm/contest/201/A 来源：牛客网题目描述 Kaiji正在与另外一人玩石头剪刀布。双方各有一些代表石头、剪刀、布的卡牌，每局两人各出一张卡牌，根据卡牌的内容决定这一局的胜负。胜负规则为：石头赢剪刀、剪刀赢布、布赢石头、相同为平局...

2021-04-05

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Eustia of the Tarnished Wings

链接：https://www.nowcoder.com/acm/contest/201/e 来源：牛客网题目描述 Novus Aither是一个潜藏着多个势力的城市。每个势力都有一个唯一的领导人，每个领导人有一个属性值。如果两个势力的领导人的属性值分别为a,b，且|a-b| ≤ m，说明这两个领导...

2021-04-05

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