1 #include2 #include 3 using namespace std; 4 5 void print(vector V) //输出函数 6 { 7 for (int i = 0;i < V.size() ;i++ ) 8 { 9 cout << V[i] << " "; //vector可以像数组一样使用下标 10 }11 cout << endl;12 }13 14 int main()15 {16 vector V;17 18 V.push_back(0.1); //在末尾添加 19 V.push_back(0.2); 20 V.push_back(0.3); 21 V[2] = 0.4;22 23 print(V);24 25 V.insert(V.begin() + 2, 0.8); //插入(地址,data) 26 print(V);27 28 V.erase(V.begin() + 1); //删除(地址) 29 print(V);30 31 V.push_back(0.9);32 print(V);33 34 return 0; 35 }