How to append to a vector c++

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

How to append to a vector c++

//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 <int> vi;
vi.push_back(1); //[1]
vi.push_back(2); //[1,2]

Similar codes

0 vote451 views1 answer
Vector size for loop
C++
0 vote234 views3 answers
Get number round off to two decimal places c++
C++
0 vote176 views1 answer
Overload of << c++
C++
0 vote179 views1 answer
Assegnare valori in c++
C++
0 vote195 views1 answer
How to point to next array using pointer c++
C++
0 vote193 views1 answer
Fast scan in c++
C++
0 vote171 views1 answer
C++ calorie calculator using a for loop
C++
5 votes202 views2 answers
Delete specific row from dynamic 2d array c++
C++
0 vote181 views1 answer
C++ compile to exe
C++
0 vote176 views1 answer
Stl map remove item
C++