vector.insert stl code example
Example 1: inserting at start in vector c++
// Inserting at start
vector_name.insert(vector_name.begin(), element_to_be_inserted);
// Inserting after xth element
vector_name.insert(vector_name.begin()+(x-1), element_to_be_inserted);
// Inserting at last
vector_name.push_back(element_to_be_inserted);
Example 2: insert at position in vector c++
// where v is the vector to insert, i is
// the position, and value is the value
v.insert(v.begin() + i, v2[i])