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can pick. input and Output sample sample Input/outputsample Test point # #Input Sample:8 1520 130120 3150 2110 7180 150 8200 0140 3120 2Sample output:4Idea: The problem is very simple, not explained, easy to understand. O (∩_∩) O (Remember to use global variables).The code is as follows:1#include 2 inth[5002],m[5002],i=1, s,n,a,b,j=1, ans; 3 voidKpintLintR)4 {

vertices was guaranteed to be zero. Then follow n -1 lines, describing the tree edges. Each line contains a pair of integers xi, yi (1≤ x i, y i ≤ n, xi ≠ yi )-the vertices connected by an edge. The vertices is indexed from 1 to n. Vertex 1 is the root.OutputPrint

administrator, you will find that VMWare services, a few more items, now you can set up a Mac OS in VMWare, as shown below: Step 1: Create a new Virtual Machine On the home page of VMware, select "create new virtual machine ". Step 2: Select Configuration Here, we can select "typical" for installation. Then, click "Next ". Step 3: select an image file The files provided by the cloud disk are in the cdr format. You do not need to convert them to

Recently, I switched to Apple for development. I began to collect apple's software and store some useful information in my blog, so that I can help others. I used to use win machine. I like Notepad ++ recommended by my colleagues. It is green and lightweight, but it has a powerful open-source text editor. After switching to Mac, I have been looking for alternative software. When I encounter textmate, I personally feel that it is enough for me and

Baidu Wallet recommended new activities and upgraded, the slogan is "Recommend a new upgrade, tens of millions of cash to keep", follow the small series together hurriedly look at Baidu Purse promotional activities of the rules bar. Privilege one: 1 cents charge 5 yuan, support mobile, Unicom, Telecom! (View activity details) Privilege two: Just a penny, buy the value of goods, value of goods and prac

Baidu Wallet recommended new activities and upgraded, the slogan is "Recommend a new upgrade, tens of millions of cash to keep", follow the small series together hurriedly look at Baidu Purse promotional activities of the rules bar. Privilege one: 1 cents charge 5 yuan, support mobile, Unicom, Telecom! (View activity details) Privilege two: Just a penny, buy the value of goods, value of goods and prac

1, memory management Simple Introduction1, why should I have memory management? malloc selloc dealloc ' need to go back to reviewThe general memory 4s is 512m memory; 6 is 1024m memory;When memory is too large, memory is exhausted. There is a program flash back.2, OC Memory Management range:Manages any inherited NSObject objects that are not valid for other basic data types.3, the object type is dynamically allocated during the program running, stored