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全部文章 / 思想（共14篇）

HDU - 5056（尺取）

Boring count Problem Description You are given a string S consisting of lowercase letters, and your task is counting the number of substring that the...

2020-09-21

1 338

zoj3699（贪心）

Dakar Rally Description The Dakar Rally is an annual Dakar Series rally raid type of off-road race, organized by the Amaury Sport Organization. The of...

2020-09-21

0 333

zoj4090（贪心）

Thanks, TuSimple! In the very first sentence of the very first problem, we would like to give our sincere thanks to TuSimple, the sponsor of this cont...

2020-09-21

0 451

sdnu1506 D.Swiss-system tournament（归并排序）

D.Swiss-system tournament Description A Swiss-system tournament is a tournament which uses a non-elimination format. The first tournament of this ty...

2020-09-21

0 385

HDU - 1556 Color the ball （差分裸题）

N个气球排成一排，从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽"牌电动车从气球a开始到气球b依次给每个气球涂一次颜色。但是N次以后lele已经忘记了第I个气球已经涂过几次颜色了，你能帮他算出每个气球被涂过几次颜色吗？ ...

2020-09-21

0 657

洛谷P1083 借教室（差分数组+二分）

题目描述在大学期间，经常需要租借教室。大到院系举办活动，小到学习小组自习讨论，都需要向学校申请借教室。教室的大小功能不同，借教室人的身份不同，借教室的手续也不一样。面对海量租借教室的信息，我们自然希望编程解决这个问题。我们需要处理接下来nnn天的借教室信息，其中第iii天学校有rir_i...

2020-09-21

0 368

hdu 5139 Formula (离线)

Problem Description f(n)=(∏i=1nin−i+1)%1000000007 You are expected to write a program to calculate f(n) when a certain n is given. Input Mult...

2020-09-21

0 340

sdnu 1350.csad(差分+离散化)

Description woniuxia最近很不开心，所以他准备发泄一下，虽然这没什么，但是不巧的是，他准备拿你开刀，但是你又不可能躲避。那么题目来了：给定n个区间，每个区间范围为[x,y]. 求最多的区间覆盖...

2020-09-21

0 369

HDU - 6514 Monitor （二维差分）

Xiaoteng has a large area of land for growing crops, and the land can be seen as a rectangle of n×mn×m . But recently Xiaoteng found that his crops we...

2020-09-21

0 799

CodeForces - 854C Planning（贪心 + 优先队列）

Helen works in Metropolis airport. She is responsible for creating a departure schedule. There are n flights that must depart today, the i-th of them ...

2020-09-21

0 461