(This problem is the same as Minimize Malware Spread, with the differences bolded.) In a network of nodes, each node i is directly connected to another node j if and only if graph[i][j] = 1. Some nodes initial are initially infected by malware.  When…

In a network of nodes, each node i is directly connected to another node j if and only if graph[i][j] = 1. Some nodes initial are initially infected by malware.  Whenever two nodes are directly connected and at least one of those two nodes is infecte…

In a network of nodes, each node i is directly connected to another node j if and only if graph[i][j] = 1. Some nodes initial are initially infected by malware.  Whenever two nodes are directly connected and at least one of those two nodes is infecte…

D. Dividing Kingdom II   Long time ago, there was a great kingdom and it was being ruled by The Great Arya and Pari The Great. These two had some problems about the numbers they like, so they decided to divide the great kingdom between themselves. Th…

(This problem is the same as Minimize Malware Spread, with the differences bolded.) In a network of nodes, each node i is directly connected to another node j if and only if graph[i][j] = 1. Some nodes initial are initially infected by malware.  When…

Counting Islands II 描述 Country H is going to carry out a huge artificial islands project. The project region is divided into a 1000x1000 grid. The whole project will last for N weeks. Each week one unit area of sea will be filled with land. As a resu…

python 深入理解 赋值.引用.拷贝.作用域 - 江召伟 - 博客园 https://www.cnblogs.com/jiangzhaowei/p/5740913.html a=[1,2,5]b=aprint(id(a),'--',id(b)) b=[9,8]print(id(a),'--',id(b)) f=7g=fprint(id(f),'--',id(g))g=888print(id(f),'--',id(g)) class c: def __init__(self,a): self.…

D. Dividing Kingdom II 题目连接: http://www.codeforces.com/contest/687/problem/D Description Long time ago, there was a great kingdom and it was being ruled by The Great Arya and Pari The Great. These two had some problems about the numbers they like, so…

HDU 3081 Marriage Match II (网络流,最大流,二分,并查集) Description Presumably, you all have known the question of stable marriage match. A girl will choose a boy; it is similar as the game of playing house we used to play when we are kids. What a happy time as…

HDU 3081 Marriage Match II (二分图,并查集) Description Presumably, you all have known the question of stable marriage match. A girl will choose a boy; it is similar as the game of playing house we used to play when we are kids. What a happy time as so many…