创建vector
个人认为比数组好用
1.创建一个空的vector
vector <string> vec;
2.指定创建vector的个数
vector <string> vec(1);
3.指定创建vector的个数和值
vector <string> vec(5,"123");
for(int i = 0; i < vec.size(); i++){
cout << vec[i] <<endl;
}
4.复制另一个vector容器(1)
vector <string> vec(1);
vec[0] = "123";
vector <string> vet = vec;
for(int i = 0; i < vet.size(); i++){
cout << vet[i] <<endl;
}
5.复制另一个vector容器(2)
vector <string> vec(5,"123");
vector <string> vet(vec.begin(),vec.end());
for(int i = 0; i < vet.size(); i++){
cout << vet[i] <<endl;
}