vector

原文地址:http://www.cnblogs.com/edisonfeng/archive/2011/08/30/2159041.html

  vector<int>  ages;
ages.reserve(
80);//指定容量为80

cout
<<"vector的容量为:"<<ages.capacity()<<endl;

//向容器中逐个添加元素
ages.push_back(100);
ages.push_back(
200);
ages.push_back(
300);

cout
<<"vector的元素个数为:"<<ages.size()<<endl;
cout
<<"第二个元素是:"<<ages[1]<<endl;

//遍历vector中的元素
for(vector<int>::iterator iter=ages.begin(); iter!=ages.end();iter++)
{
cout
<<(*iter)<<endl;
}
cout
<<(*ages.begin())<<endl;
system(
"pause");
return 0;

  

posted @ 2011-09-06 15:13  wangkangluo1  阅读(198)  评论(0编辑  收藏  举报