利用STL函数swap进行vector内的数据交换

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1. #include<iostream>
2. #include<string>
3. #include<algorithm>
4. #include<vector>
6. usingnamespacestd;
8. intmain(intargc,char*argv[])
9. {
10. vector<string>vTest;
12. vTest.push_back("a");
13. vTest.push_back("b");
14. vTest.push_back("c");
15. vTest.push_back("d");
17. swap(vTest[0],vTest[3]);
19. vector<string>::iteratorpos;
20. for(pos=vTest.begin();pos!=vTest.end();pos++)
21. {
22. cout<<*pos<<endl;
23. }
25. return0;
26. }