cómo agregar un vector a otra c
vector<int> a;
vector<int> b;
// Appending the integers of b to the end of a
a.insert(a.end(), b.begin(), b.end());
intricate_symbol
vector<int> a;
vector<int> b;
// Appending the integers of b to the end of a
a.insert(a.end(), b.begin(), b.end());