Summer training #9】的更多相关文章

Area of Mushroom Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2390    Accepted Submission(s): 578 Problem Description Teacher Mai has a kingdom with the infinite area. He has n students guard…
2016 Multi-University Training Contest 1 2016 Multi-University Training Contest 2 2016 Multi-University Training Contest 3 2016 Multi-University Training Contest 4 2016 Multi-University Training Contest 5 2016 Multi-University Training Contest 6…
Differencia Time Limit: 10000/10000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 601    Accepted Submission(s): 173 Problem Description Professor Zhang has two sequences a1,a2,...,an and b1,b2,...,bn. He wants to…
Rigid Frameworks Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 337    Accepted Submission(s): 273 Problem Description Erik Demaine is a Professor in Computer Science at the Massachusetts Insti…
 Gym 101047K Training with Phuket's larvae Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Practice Description standard input/output Thai cuisine is known for combining seasonings so that every dish has flavors that are…
Link http://acm.hust.edu.cn/vjudge/contest/121539#problem/C Description standard input/output After a long ACM training day, Master Hasan invited his trainees for a light dinner in the cafeteria. The cafeteria has N tables, each with a number of chai…
2012 Multi-University Training Contest 9 / hdu4389 打巨表,实为数位dp 还不太懂 先这样放着.. 对于打表,当然我们不能直接打,这里有技巧.我们可以这样:每隔100000我们统计一次,这样在10^9范围内,我们得到10000个数. 然后就很好解决了... 数位dp:http://blog.csdn.net/acdreamers/article/details/9318727 #include<iostream> #include<cst…
2014 Multi-University Training Contest 9#11 Killing MonstersTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 562    Accepted Submission(s): 308 Problem Description Kingdom Rush is a popular TD…
2014 Multi-University Training Contest 9#6 Fast Matrix CalculationTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 424    Accepted Submission(s): 219 Problem Description One day, Alice and Bob…
8/11 2016 Multi-University Training Contest 1 官方题解 老年选手历险记 最小生成树+线性期望 A Abandoned country(BH) 题意: 1. 求最小生成树 2. 求在某一棵最小生成树任意两点的最小距离的期望值. 思路: 首先题目说了边权值都是不同的,所以最小生成树唯一.那么只要统计出最小生成树的每一条边在“任意两点走经过它“的情况下所贡献的值,发现在一棵树里,一条边所贡献的次数为,sz[v]表示v子树包括节点v的个数.如下图所示,红边所…
8/13 2016 Multi-University Training Contest 2官方题解 数学 A Acperience(CYD)题意: 给定一个向量,求他减去一个  α(>=0)乘以一个值为任意+1或-1的B向量后得到向量,求这个向量膜的最小值思路: 展开式子,当时最小,结果为. 代码: #include <bits/stdc++.h> using namespace std; long long w,a,b,c,a2; long long gcd(long long x,l…
5/11 2016 Multi-University Training Contest 3官方题解 2016年多校训练第三场 老年选手历险记 暴力 A Sqrt Bo(CYD) 题意:问进行多少次开根号向下取整能使给定的值为1,若为5次以上,则输出TAT: 思路: 有5次这个限制,得知值最大为10的11次方左右,存下后运算即可,注意初始值为0时运算的次数是大于5次的,输出TAT: 代码: #include <bits/stdc++.h> using namespace std; char st…
6/12 2016 Multi-University Training Contest 4官方题解 KMP+DP A Another Meaning(CYD) 题意: 给一段字符,同时给定你一个单词,这个单词有双重意思,字符串中可能会有很多这种单词,求这句话的意思总数:hehe. 思路: 可以用kmp算法快速求出串中的单词数量,若单词是分开的,每个单词有两种意思,可以直接相乘,若两个及以上单词在原串中是有交集的,那么数量不是直接相乘,发现这片连在一起的单词数量dp[i]=dp[i-1]+dp[j…
6/12 2016 Multi-University Training Contest 5 期望+记忆化DP A ATM Mechine(BH) 题意: 去ATM取钱,已知存款在[0,K]范围内,每一次输入取出钱的金额,如果大于存款,ATM会发出警报,最多W次,问能在W次内取出所有存款的取款次数的期望值. 思路: 设dp[k][w]表示范围存款在[0,k]内,还有w次报警机会的期望值.状态转移方程: 代码: #include <bits/stdc++.h> const int N = 2e3…
5/12 2016 Multi-University Training Contest 6 官方题解 打表找规律/推公式 A A Boring Question(BH) 题意: ,意思就是在[0,n]里选择m个数字的相邻数字二项式组合的积的总和. 思路: 想了好久,不会,但是这题有300多人过,怀疑人生... 打了个表: n=0, m=2, ans=1n=1, m=2, ans=3n=2, m=2, ans=7n=3, m=2, ans=15n=4, m=2, ans=31n=5, m=2, a…
PowMod Time Limit: 3000/1500 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 1008    Accepted Submission(s): 341 Problem Description Declare:k=∑mi=1φ(i∗n) mod 1000000007 n is a square-free number. φ is the Euler's…
Subway Time Limit: 7000/3500 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 860    Accepted Submission(s): 126Special Judge Problem Description jiefangxuanyan and yiyi cat are universally acknowledged model couple…
Game Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 588    Accepted Submission(s): 146 Problem Description   Sea5 and wzh are playing games. There are some guards on an n × m chessboard. Every…
 这节的主题感觉和training,testing关系不是很大,其根本线索在于铺垫并求解一个问题:    为什么算法PLA可以正确的work?因为前面的知识告诉我们,只有当假设的个数有限的时候,我们才能比较确认我们得到坏的数据集的概率比较低,也就是说算法得出的假设和最佳假设在全局表现相同(错误率相等),可是PLA的假设是平面上的直线,不是无数个么?为什么可以正常泛化?   为解释这个问题,有了这节以及下面几节的课程  可以看到这个问题其实很重要,因为这是我们理解机器为啥能学习的关键一步,因为很多…
http://52.11.56.155:7180/http://52.11.56.155:8888/ impala-shell -i 172.31.25.244 sudo -u hdfs hdfs dfs -du -h / http://54.149.20.119:25000/ 第一步:准备工作生成tpc-h测试数据在TPC-H的官网http://www.tpc.org/tpch/上下载dbgen工具http://www.tpc.org/tpch/spec/tpch_2_17_0.zip[roo…
Nitish Shirish Keskar, Dheevatsa Mudigere, Jorge Nocedal, Mikhail Smelyanskiy, Ping Tak Peter Tang Northwestern University & Intel code: https://github.com/keskarnitish/large-batch-training * SGD及其变种在batch size增大的时候会有泛化能力的明显下降 generalization drop/deg…
Martin Danelljan 判决类追踪模型是由训练样本学习得到,但是为了适应目标和背景的变化sample set在每一帧中都会更新. 令(xjk, yjk)表示第k帧k={1,2,...,t}中的第j个训练样本.假设第k帧中的nk个样本在样本集中, ak表示第k帧样本的权重. 存在一种方法可以控制式子中训练样本的impact.在DCF-based trackers  M. Danelljan Accurate scale estimation for robust visual track…
Description 一条线上有栋楼,第栋楼有层,每层有1个价值为的物品. 可以花费1个单位时间完成以下3种移动: 1.在同一栋楼中向上或者向下走一层; 2.如果此刻在顶楼,可以通往1楼; 3.从当前楼移动到相邻楼的同层.如果相邻楼没有当前位置高,则会落到相邻楼的顶层. 初始时在第一栋楼的顶层,单位时间可以移动,拿去物品不需要时间,且一个物品被拿一次之后就会消失. 求能获得的最大的总价值. Input 第一行两个正整数. 以下行每行两个整数表示和. Output 输出一行一个整数表示最大的总价…
Deep Learning in a Nutshell: History and Training This series of blog posts aims to provide an intuitive and gentle introduction to deep learning that does not rely heavily on math or theoretical constructs. The first part in this series provided an…
Purley Skylake RAS training: https://cisco.webex.com/ciscosales/lsr.php?RCID=8042a15a27aa46509a91d8f8507c92bc Secureboot: https://cisco.webex.com/ciscosales/lsr.php?RCID=b5b51de397aa7e18f21f973521488c4c https://cisco.webex.com/ciscosales/lsr.php?RCID…
The Impact of Imbalanced Training Data for Convolutional Neural Networks Paulina Hensman and David Masko 摘要 本论文从实验的角度调研了训练数据的不均衡性对采用CNN解决图像分类问题的性能影响.CIFAR-10数据集包含10个不同类别的60000个图像,用来构建不同类间分布的数据集.例如,一些训练集中包含一个类别的图像数目与其他类别的图像数目比例失衡.用这些训练集分别来训练一个CNN,度量其得…
http://handong1587.github.io/deep_learning/2015/10/09/training-dnn.html  //转载于 Training Deep Neural Networks  Published: 09 Oct 2015  Category: deep_learning Tutorials Popular Training Approaches of DNNs — A Quick Overview https://medium.com/@asjad/p…
最近读了Joint Training of Cascaded CNN for Face Detection这篇论文,论文中把之前人脸检测使用到的cascade cnn,从分开训练的模式,改为了联合训练,并且声称得到了更好的结果. 但是在我读论文的过程中,产生了下面几点疑惑: 1.论文4.2节的Training procedure这部分最后提到,To make it converge easily, we train seperate networks and initialize the joi…
课程主页:http://cs231n.stanford.edu/   Introduction to neural networks -Training Neural Network ______________________________________________________________________________________________________________________________________________________________…
Training address: http://acm.hust.edu.cn/vjudge/contest/view.action?cid=38966#overview A.Count Color --- POJ 2777 这题初看不好下手,再想想,T<=30,这时想到颜色可以用二进制来表示,然后父节点颜色种类为子节点的按位或得出的结果中化为二进制时1的个数,然后就是无脑线段树了.. 代码: #include <iostream> #include <cstdio> #i…