PROBLEM F:Modeling Refugee Immigration Policies With hundreds of thousands of refugees moving across Europe and more arriving each day, considerable attention has been given to refugee integration policies and practices in many countries and regions.…
PROBLEM E: Are we heading towards a thirsty planet? Will the world run out of clean water? According to the United Nations, 1.6 billion people (one quarter of the world's population) experience water scarcity. Water use has been growing at twice the…
Function1 Problem:F Time Limit:1000ms Memory Limit:65535K Description You know that huicpc0838 has been reviewing his textbooks and doing related exercises for the coming PG exams these days. One day, when he was abused by the sixth chapter of the te…
原题网址:https://open.kattis.com/problems/driver Crazy Driver In the Linear City, there are N gates arranged in a straight line. The gates are labelled from 1 to N. Between adjacent gates, there is a bidirectional road. Each road takes one hour to travel…
时间限制:5000ms 单点时限:5000ms 内存限制:256MB 描述 Profess X is an expert in signal processing. He has a device which can send a particular 1 second signal repeatedly. The signal is A0 ... An-1 under n Hz sampling. One day, the device fell on the ground accidenta…
MCM试题原文及翻译 AB题 2014美国数学建模竞赛 原创翻译,如有瑕疵,敬请谅解. 转载请注明:过客小站 » MCM试题原文及翻译 AB题 2014美国数学建模竞赛 PROBLEM A: The Keep-Right-Except-To-Pass Rule 问题A –  “保持右侧行驶,除非超车”规则. In countries where driving automobiles on the right is the rule (that is, USA, China and most o…
MCM/ICM2018美国大学生数学建模大赛D题翻译 2018年ICM问题D: 非使用汽油并在使用电力行驶的汽车(电量非空的) 由于环境和经济的原因,全球都在减少使用化石燃料,包括汽车汽油. 无论是受环境或经济动机,消费者开始转向电动汽车. 几个国家正在看到采用电动汽车快速增长的潜力. 在美国和其他国家,更经济实惠的全电式特斯拉3型车型的发布带来了预购订单和长期等待名单的记录(https://www.wired.com/story/tesla-model-3-delivery-timeline/…
2018年中国研究生数学建模竞赛C题 对恐怖袭击事件记录数据的量化分析 恐怖袭击是指极端分子或组织人为制造的.针对但不仅限于平民及民用设施的.不符合国际道义的攻击行为,它不仅具有极大的杀伤性与破坏力,能直接造成巨大的人员伤亡和财产损失,而且还给人们带来巨大的心理压力,造成社会一定程度的动荡不安,妨碍正常的工作与生活秩序,进而极大地阻碍经济的发展. 恐怖主义是人类的共同威胁,打击恐怖主义是每个国家应该承担的责任.对恐怖袭击事件相关数据的深入分析有助于加深人们对恐怖主义的认识,为反恐防恐提供有价值的…
2019牛客多校第八场 F题 Flowers 先枚举出三角形内部的点D. 下面所说的旋转没有指明逆时针还是顺时针则是指逆时针旋转. 固定内部点的答案的获取 anti(A)anti(A)anti(A)或者说A‾\overline{A}A表示DA→\overrightarrow{DA}DA旋转180°之后的方向. block(A,B)block(A,B)block(A,B)表示的是DA→\overrightarrow{DA}DA旋转到DB→\overrightarrow{DB}DB的扫过的几何区间.…
2013年山东省赛F题 Mountain Subsequences先说n^2做法,从第1个,(假设当前是第i个)到第i-1个位置上哪些比第i位的小,那也就意味着a[i]可以接在它后面,f1[i]表示从第一个开始,以a[i]为结尾的不同递增序列的个数,要加上1,算上本身.正反各跑一遍,答案加一下(f1[i]-1)*(f2[i]-1)优化就是,比a[i]小的,只有a[i]-1个 #include<iostream> #include<cstdio> #include<queue&…