Joining two vectors in c++

// my linkedin : https://www.linkedin.com/in/vaalarivan-prasanna-3a07bb203/
vector<int> AB;
AB.reserve(A.size() + B.size()); // preallocate memory
AB.insert(AB.end(), A.begin(), A.end());
AB.insert(AB.end(), B.begin(), B.end());
//eg : A = {4, 1}, B = {2, 5}
//after the 2 insert operations, AB = {4, 1, 2, 5}

Similar codes

6 votes221 views2 answers
Stoi
C++
0 vote231 views1 answer
Namespace "std" n'a pas de membre "filesystem"
C++
0 vote233 views1 answer
Balanced brackets hackerrank solution c++
C++
11 votes225 views6 answers
How to take input in 2d vector in c++
C++
0 vote283 views1 answer
Deletion in bst
C++
0 vote224 views1 answer
Waiting in a serial as the spool reflect the queue operation. Demonstrate Printer Behavior in context of Queue.Subject to the Scenario implement the Pop and Push Using C++.
C++
8 votes200 views6 answers
Char to int in c++
C++
1 vote225 views1 answer
Create random vectors c++
C++
6 votes215 views1 answer
C++ replace character in string
C++
0 vote216 views1 answer
The question for me
C++