第14周-阅读程序（2）

#include <iostream>
#include <vector>
using namespace std;
int main()
{
vector<int> intList;
vector<int>::iterator listIt;
int i;
intList.push_back(1);
intList.push_back(5);
intList.push_back(10);
intList.push_back(15);
cout<<"Line 1: List Elements: ";
for(i=0; i<4; i++)
cout<<intList[i]<<"    ";
cout<<endl;
for(i=0; i<4; i++)
intList[i] *=2;
cout<<"Line 2: List Elements: ";
for(listIt=intList.begin(); listIt != intList.end(); ++listIt)
cout<<*listIt<<"    ";
cout<<endl;
listIt=intList.begin();
++listIt;
++listIt;
intList.insert(listIt,8);
cout<<"Line 3: List Elements: ";
for(listIt = intList.begin(); listIt != intList.end(); ++listIt)
cout<<*listIt<<"    ";
cout<<endl;
return 0;
}