Economics degrees Name game"> 经济学学位"> 名称痕戏 Luring students with a new label 新瓶旧酒吸引学生"> ECONOMISTS do not much like their discipline being dubbed(配音:授予称号">) the dismal(忧郁的:阴沉的,沉闷的) science. Some American universities are pay…

[TimusOJ1057]Amount of Degrees 试题描述 Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactly K different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By this example 3 numbers are the sum of exa…

http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=78207 看懂题就好. 求某一办公室到其他办公室的最短距离. 多组输入,n表示n条关系,下面n次每次输入 x y d表示x到y的距离是d. 输出办公室的编号和距离. 因为 顶点数小于10,直接floyed求出所有距离之后,枚举出最短距离即可. /* *********************************************** Author : zch Cre…

Description Create a code to determine the amount of integers, lying in the set [ X; Y] and being a sum of exactly K different integer degrees ofB. Example. Let X=15, Y=20, K=2, B=2. By this example 3 numbers are the sum of exactly two integer degree…

本题链接:http://poj.org/problem?id=2139 Description:     The cows have been making movies lately, so they are ready to play a variant of the famous game "Six Degrees of Kevin Bacon".      The game works like this: each cow is considered to be zero d…

1585: [例 1]Amount of Degrees 时间限制: 1000 ms         内存限制: 524288 KB 题目描述 原题来自:NEERC 2000 Central Subregional,题面详见 Ural 1057. 求给定区间 [X,Y] 中满足下列条件的整数个数:这个数恰好等于 K 个互不相等的 B 的整数次幂之和.例如,设 X=15,Y=20,K=2,B=2,则有且仅有下列三个数满足题意: 17=2^4+2^0 18=2^4+2^1 20=2^4+2^2 输入…

opencv2: void rotate_cw(const cv::Mat& image, cv::Mat& dest, int degrees) { ) { : dest = image.clone(); break; : cv::flip(image.t(), dest, ); break; : cv::flip(image, dest, -); break; : cv::flip(image.t(), dest, ); break; default: cv::Mat r = cv::…

The cows have been making movies lately, so they are ready to play a variant of the famous game "Six Degrees of Kevin Bacon". The game works like this: each cow is considered to be zero degrees of separation (degrees) away from herself. If two d…

Aspirations:没有结果,没有成绩,acm是否有意义?它最大的意义就是让我培养快速理解和应用一个个未知知识点的能力. ———————————————————————————————————————————————— Background:F. Niyaz and Small Degrees http://codeforces.com/contest/1119/problem/F 这道题目是一道高阶的树形DP的题目,我之前并没有涉及到这类题目. 已经有的基础:DP中的01背包. 特点:看到…

Six Degrees of Cowvin Bacon Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 131072/65536K (Java/Other) Total Submission(s) : 2   Accepted Submission(s) : 1 Problem Description The cows have been making movies lately, so they are ready to play…

The 2018 Nobel prizesThe Nobel prize for economics is awarded for work on the climate and economic growth Paul Romer and William Nordhaus share the glory Business and finance Oct 8th 2018   WHY do economies grow, and why might growth outstrip the nat…

描述 degrees() 将弧度转换为角度. 语法 以下是 degrees() 方法的语法: import math math.degrees(x) 注意:degrees()是不能直接访问的,需要导入 math 模块,然后通过 math 静态对象调用该方法. 参数 x -- 一个数值. 返回值 返回一个角度值. 实例 以下展示了使用 degrees() 方法的实例: #!/usr/bin/python3 import math print ("degrees(3) : ", math.…

1057. Amount of Degrees Time limit: 1.0 second Memory limit: 64 MB Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactlyK different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By this exampl…

传送门:http://poj.org/problem?id=2139 Six Degrees of Cowvin Bacon Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6709 Accepted: 3122 Description The cows have been making movies lately, so they are ready to play a variant of the famous game…

转自:https://blog.csdn.net/a17865569022/article/details/78766867 Input* Line 1: Two space-separated integers: N and M * Lines 2..M+1: Each input line contains a set of two or more space-separated integers that describes the cows appearing in a single m…

Discription Create a code to determine the amount of integers, lying in the set [X; Y] and being a sum of exactly K different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By this example 3 numbers are the sum of exactly two integer degree…

1057. Amount of Degrees Time limit: 1.0 second Memory limit: 64 MB Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactlyK different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By this exampl…

Six Degrees of Cowvin Bacon Descriptions 数学课上,WNJXYK忽然发现人缘也是可以被量化的,我们用一个人到其他所有人的平均距离来量化计算. 在这里定义人与人的距离:1.自己与自己的距离为02.如果A和B属于同一个小团体,那么他们之间的距离为13.如果A与B属于一个小团体,B与C属于一个小团体,且A与C不同属于任何一个小团体,那么A与C的距离为2(A联系C,经过B.C两个人)4.以此类推 班里有N个人 (2 <= N <= 300),共有M对小团体关系(…

--RANDIANS(x)将参数x由角度转换为弧度 --DEGREES(x)将参数x由弧度转换为角度. 示例:select RADIANS(90.0), RADIANS(180.0), DEGREES(PI()/2), DEGREES(PI())…

传送门 Amount of Degrees Time limit: 1.0 secondMemory limit: 64 MB Description Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactly K different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By t…

Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactly K different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By this example 3 numbers are the sum of exactly two integer degrees of number 2…

题目链接: (请自行百度进Ural然后查看题号为1057的那道题目囧~) 题目大意: Create a code to determine the amount of integers, lying in the set \([X;Y]\) and being a sum of exactly \(K\) different integer degrees of B. Example. Let \(X=15, Y=20, K=2, B=2\) . By this example 3 number…

第一集Intro to Economics: Crash Course Econ #1 传送门:https://www.youtube.com/watch?v=3ez10ADR_gM&list=PL8dPuuaLjXtPNZwz5_o_5uirJ8gQXnhEO Economics is the study of people and choices. (经济学是关于人和选择的研究). is not the study of money , getting rich or stock marke…

SELECT * FROM nobel_win WHERE year=1970 ORDER BY  CASE WHEN subject IN ('Economics','Chemistry') THEN 1 ELSE 0 END ASC, subject, winner;…

废话不多说,直接上题: 1585: [例 1]Amount of Degrees 时间限制: 1000 ms         内存限制: 524288 KB提交数: 130     通过数: 68 [题目描述] 原题来自:NEERC 2000 Central Subregional,题面详见 Ural 1057. 求给定区间 [X,Y] 中满足下列条件的整数个数:这个数恰好等于 K 个互不相等的 B 的整数次幂之和.例如,设 X=15,Y=20,K=2,B=2,则有且仅有下列三个数满足题意: 1…

Description 问[L,R]中有多少能表示k个b次幂之和. Sol 数位DP. 当2进制时. 建出一个二叉树, \(f[i][j]\) 表示长度为 \(i\) 有 \(j\) 个1的个数. 递推式就是左右子树之和 \(f[i][j]=f[i-1][j-1]+f[i-1][j]\) 将b进制变成2进制来做. 因为发现系数只能是1,所以找到一个b进制下极大的2进制就行..我觉得我好像讲不明白.. 我计算的是小于 x 满足条件的...我觉得这样比较好写,也不用特判最后的情况.. 复杂度 \(O…

题目链接 我看错题了...都是泪啊,不存在3*4^2这种情况...系数必须为1... #include <cstdio> #include <cstring> #include <iostream> #include <vector> using namespace std; #define LL long long ]; LL dp[][]; int k,b; LL dfs(int pos,int pre,int bound) { int i,end; L…

链接 这题有一点小坑点 就是AX^B  A只能为0或者1  ,剩下的就比较好做的了. #include <iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<stdlib.h> #include<vector> #include<cmath> #include<queue> #include<set> u…

link:http://acm.timus.ru/problem.aspx?space=1&num=1057 论文: 浅谈数位类统计问题  刘聪 #include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <cctype> #include <algorithm> #inc…

牛与电影 题目大意:就是一群牛,又在玩游戏了(怎么你们经常玩游戏),这个游戏规则如下,把牛拆分成一个一个组,并且定义一个“度”,规定在一个组的牛与他自己的度为0,与其他牛的度为1,不同组的牛不存在度,但是如果牛与牛之间有联系,那么度就会想加,这一题所有的牛都会与其他所有的牛有联系,问你哪只牛与其他牛的度的总数最少,求这个总数的平均值. 那么这一题貌似把牛拆分成一个一个的区间,但是我们仔细想一下,其实啊这个组是不重要的,他只是影响了牛与牛之间有没有直接相连,其实仔细读下来我们直接建图就可以了,每一…