HDU
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Parsing URL
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65768/65768 K (Java/Others)Total Submission(s): 2303 Accepted Submission(s): 1114
Problem Description
In computing, a Uniform Resource Locator or Universal Resource Locator (URL) is a character string that specifies where a known resource is available on the Internet and the mechanism for retrieving it.
The syntax of a typical URL is:
scheme://domain:port/path?query_string#fragment_id
In this problem, the scheme, domain is required by all URL and other components are optional. That is, for example, the following are all correct urls:
http://dict.bing.com.cn/#%E5%B0%8F%E6%95%B0%E7%82%B9
http://www.mariowiki.com/Mushroom
https://mail.google.com/mail/?shva=1#inbox
http://en.wikipedia.org/wiki/Bowser_(character)
ftp://fs.fudan.edu.cn/
telnet://bbs.fudan.edu.cn/
http://mail.bashu.cn:8080/BsOnline/
Your task is to find the domain for all given URLs.
The syntax of a typical URL is:
scheme://domain:port/path?query_string#fragment_id
In this problem, the scheme, domain is required by all URL and other components are optional. That is, for example, the following are all correct urls:
http://dict.bing.com.cn/#%E5%B0%8F%E6%95%B0%E7%82%B9
http://www.mariowiki.com/Mushroom
https://mail.google.com/mail/?shva=1#inbox
http://en.wikipedia.org/wiki/Bowser_(character)
ftp://fs.fudan.edu.cn/
telnet://bbs.fudan.edu.cn/
http://mail.bashu.cn:8080/BsOnline/
Your task is to find the domain for all given URLs.
Input
There are multiple test cases in this problem. The first line of input contains a single integer denoting the number of test cases.
For each of test case, there is only one line contains a valid URL.
For each of test case, there is only one line contains a valid URL.
Output
For each test case, you should output the domain of the given URL.
Sample Input
3http://dict.bing.com.cn/#%E5%B0%8F%E6%95%B0%E7%82%B9http://www.mariowiki.com/Mushroomhttps://mail.google.com/mail/?shva=1#inbox
Sample Output
Case #1: dict.bing.com.cnCase #2: www.mariowiki.comCase #3: mail.google.com
Source
The 36th ACM/ICPC Asia Regional Shanghai Site —— Warmup
就是求域名(在"//"之后":"或"/"之前的字符串)
#include<iostream>#include<stdio.h>#include<string.h>#include<string>using namespace std;int n;string s,ans;int main(){ while(scanf("%d",&n)!=EOF) { for(int cas = 1;cas<=n;cas++) { cin>>s; ans = ""; for(int i=0;i<s.size();i++) { if(s[i]=='/'&&s[i+1]=='/') { for(int j=i+2;j<s.size();j++) { if(s[j]=='/'||s[j]==':') break; ans += s[j]; } break; } } cout<<"Case #"<<cas<<": "<<ans<<endl; } } return 0;}
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