how to append one vector to another 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());
Source: stackoverflow.com
Appending a vector to a vector in C++
Input:
vector<int> v1{ 10, 20, 30, 40, 50 };
vector<int> v2{ 100, 200, 300, 400 };
//appending elements of vector v2 to vector v1
v1.insert(v1.end(), v2.begin(), v2.end());
Output:
v1: 10 20 30 40 50 100 200 300 400
v2: 100 200 300 400
adding elements to a vector C++
#include<vector>
#include<algorithm>
// all the std and main syntax ofcourse.
vector<int> pack = {1,2,3} ;
// To add at the END
pack.push_back(6); // {1,2,3,6}
// OR
// To add at BEGGINING
pack.insert(pack.begin(),6) // {6,1,2,3,}