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 vote278 views3 answers
How to use printf with microseconds c++
C++
0 vote232 views1 answer
C++ average
C++
0 vote242 views1 answer
Error: use of parameter outside function body before ] token c++
C++
0 vote186 views1 answer
How to use and in c++
C++
6 votes211 views2 answers
Create dynamic array c++
C++
0 vote191 views1 answer
C++ program to convert kelvin to celsius
C++
4 votes192 views2 answers
Max_element c++
C++
0 vote229 views1 answer
Warning: base will be initialized after
C++
0 vote190 views1 answer
Function return floatin c++
C++
0 vote222 views1 answer
C++ overloading by ref-qualifiers
C++