📅  最后修改于: 2022-03-11 14:44:58.454000             🧑  作者: Mango
//vector.push_back is the function. For example, if we want to add
//3 to a vector, it is just vector.push_back(3)
vector vi;
vi.push_back(1); //[1]
vi.push_back(2); //[1,2]