带权并查集按秩合并即可维护. #include<iostream> #include<cstdio> #include<cmath> #include<cstdlib> #include<cstring> #include<algorithm> using namespace std; #define ll long long char getc(){char c=getchar();while ((c<'A'||c>'Z…

裸带权并查集. #include<cstdio> #define N 100005 int m,i,j,s,t,u,d[N],p[N]; char k; int find(int i){ if(p[i]^i&&find(p[i])) d[i]+=d[p[i]]; return p[i]=p[p[i]]; } int main(){ while(scanf("%d%d",&s,&m)&&s){ for(;s;--s) d[p[s…

4690: Never Wait for Weights Time Limit: 15 Sec  Memory Limit: 256 MBSubmit: 88  Solved: 41[Submit][Status][Discuss] Description 在实验室中,Nathan Wada作为助手的职责是测定两个样品的重量差异.当样品的差异很小时,使用天平能比使用弹簧秤得到更精确的结果,所以他只使用天平来测得一些样品的重量差.他偶尔会被询问一些样品的重量差,而他能否回答这些问题取决于在回答相应…

@tags: caffe 文件类别 solver文件 是一堆超参数,比如迭代次数,是否用GPU,多少次迭代暂存一次训练所得参数,动量项,权重衰减(即正则化参数),基本的learning rate,多少次迭代打印一次loss,以及网络结构描述文件(即model文件)存储位置,等等 比如: lenet_solver.prototxt model文件 也有一些参数,指定了深度卷积网的结构,包括每一层各个参数,以及训练输入的数据存放位置等. 比如: lenet_train_test.prototxt w…

[codeforces 339]C. Xenia and Weights 试题描述 Xenia has a set of weights and pan scales. Each weight has an integer weight from 1 to 10 kilos. Xenia is going to play with scales and weights a little. For this, she puts weights on the scalepans, one by on…

Xenia and Weights time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Xenia has a set of weights and pan scales. Each weight has an integer weight from 1 to 10 kilos. Xenia is going to play wi…

Check failed: FLAGS_weights.size() > 0 (0 vs. 0) Need model weights to score. 出现这个错误,但是我记得昨天还好好的,网上搜了也没有答案,后来仔细检查才发现,原来存放 .caffemodel 的文件名字 中间有空格!!! 把文件夹路径上的名字去掉,果断就可以了... solver_proto=/home/wangxiao/Downloads/caffe-master/wangxiao/bvlc_alexnet/test.…

UVa 10154 - Weights and Measures I know, up on top you are seeing great sights,  But down at the bottom, we, too, should have rights.  We turtles can't stand it. Our shells will all crack!  Besides, we need food. We are starving!" groaned Mack. The P…

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Xenia and Weights Xenia has a set of weights and pan scales. Each weight has an integer weight from 1 to 10 kilos. Xenia is going to play with scales and weights a little. For this, she puts…

警告信息“Nested weights are bad for performance”的消除方法 原因分析:在布局进行嵌套使用时,父布局与子布局都使用了android:layout_weight,但不是必须使用时,便会出现如题所示的警告信息. 解决方法:根据实际情况,去除子布局中非必须使用的android:layout_weight.…