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

0 vote244 views1 answer
BMI Calculator Program in C++
C++
0 vote175 views1 answer
C++ throw index out of bound
C++
1 vote248 views3 answers
Minimum characters to make string palindrome
C++
0 vote199 views1 answer
Namespace "std" n'a pas de membre "filesystem"
C++
1 vote197 views1 answer
HOW TO TURN LINK TO BUTTON IN MVC
C++
14 votes181 views4 answers
C++ create vector of size
C++
0 vote203 views1 answer
Amusia
C++
5 votes179 views3 answers
C++ console color
C++
0 vote183 views1 answer
C++ delete printed characters
C++
0 vote193 views1 answer
How to sort array in c++ stockoverflow
C++