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第十四届华中科技大学程序设计竞赛 C Professional Manager【并查集删除/虚点】

题目描述 It’s universally acknowledged that there’re innumerable trees in the campus of HUST. Thus a professional tree manager is needed. Your task is ...

2018-04-30

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第十四届华中科技大学程序设计竞赛 B Beautiful Trees Cutting【组合数学/费马小定理求逆元/快速幂】

链接：https://www.nowcoder.com/acm/contest/106/B 来源：牛客网题目描述 It’s universally acknowledged that there’re innumerable trees in the campus of HUST. On...

2018-04-30

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二分最化最值问题(二)

二分最化最值问题大多数情况下用于求解满足某种条件下的最大（小）值。答案单调性：答案的单调性大多数情况下可以转化为一个函数，其单调性证明多种多样，如下：移动石头的个数越多，答案越大（NOIP2015跳石头）。前i天的条件一定比前 i + 1 天条件更容易（NOIP20...

2018-04-30

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二分最化最值问题(一)

二分最化最值问题把一个包含n个正整数的序列划分成m个连续的子序列(每个正整数恰好属于一个序列). 设i个序列的各数之和为s(i).你的任务是让所有s(i)的最大值尽量小. 这个算法很有现实意义.给你一堆乱七八糟的东西分堆,分出来的东西都不超过一个固定的数值,这是需要技术含量的喔. 1.首先...

2018-04-30

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CONTINUE...?【构造/分析】

CONTINUE...? Time Limit: 1 Second Memory Limit: 65536 KB Special Judge DreamGrid has classmates numbered from to . Some of them are boys a...

2018-04-29

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Doki Doki Literature Club

Doki Doki Literature Club! is a visual novel developed by Team Salvato. The protagonist is invited by his childhood friend, Sayori, to join their high...

2018-04-29

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King of Karaoke

King of Karaoke Time Limit: 1 Second Memory Limit: 65536 KB It's Karaoke time! DreamGrid is performing the song Powder Snow in the game King of Karaok...

2018-04-29

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Peak

A sequence of \(n\) integers \(a_1, a_2, \dots, a_n\) is called a peak, if and only if there exists exactly one integer \(k\) such that \(1 < k <...

2018-04-29

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ZOJ18th省赛 Lucky 7

[线上网址](http://acm.zju.edu.cn/onlinejudge/showContestProblems.do?contestId=378) BaoBao has just found a positive integer sequence \(a_1, a_2, \dots, ...

2018-04-29

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2018年湘潭大学程序设计竞赛

链接：https://www.nowcoder.com/acm/contest/105/A 来源：牛客网题目描述某个实验需要统计时间，记录了实验开始和结束的时间，计算实验用了多少秒。输入描述: 第一行输入一个整数n，表示样例个数。接下来每组样例两行，表示开始时间和结束时间，格式为xday...

2018-04-28

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