vector

#include <iostream>#include <vector>#include <string>using namespace std;int main (){vector<int> ivec; // ivec是空的，里面一个数都没有cout << ivec.size() << endl;cout << "请输入5个整数：" << endl;int k;for(vector<int>::size_type i = 0; i != 5; ++i){cin >> k;ivec.push_back(k);}cout << "显示vector里面的数据：" << endl;for(vector<int>::size_type j = 0; j != ivec.size(); ++j)cout << ivec[j] << endl;cout << "输入的一些字符串是：" << endl;string val;vector<string> sum;while(cin >> val)sum.push_back(val);cout << "得出的字符串是：" << endl;for(vector<string>::size_type n = 0; n != sum.size(); ++n)cout << sum[n] << endl;return 0;}