CHAPTER2-27.cpp
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上传日期:2007-07-03
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文件大小:1k
- //文件名:CHAPTER2-27.cpp
- #include <string>
- #include <iostream>
- #include <algorithm>
- using namespace std;
- int main()
- { //create constant string
- const string hello("Hello, how are you?");
- //initialize string s with all characters of string hello
- string s(hello.begin(),hello.end());
- //iterate through all of the characters
- string::iterator pos;
- for (pos = s.begin(); pos != s.end(); ++pos)
- { cout << *pos; }
- cout << endl;
- //reverse the order of all characters inside the string
- reverse (s.begin(), s.end());
- cout << "reverse: " << s << endl;
- //sort all characters inside the string
- sort (s.begin(), s.end());
- cout << "ordered: " << s << endl;
- /*remove adjacent duplicates
- *-unique() reorders and returns new end
- *-erase() shrinks accordingly
- */
- s.erase (unique(s.begin(), s.end()), s.end());
- cout << "no duplicates: " << s << endl;
- }