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 vote227 views1 answer
Delete a node from binery search tree c++
C++
0 vote186 views1 answer
Make random nuber between two number in c++
C++
1 vote192 views1 answer
Qt qimage load from file
C++
-1 vote180 views1 answer
Combination sum iv leetcode
C++
13 votes195 views3 answers
C++ remove last element from vector
C++
1 vote185 views1 answer
Hello world c++ visual studio
C++
0 vote189 views1 answer
Replace komma with space C++
C++
1 vote231 views1 answer
Print linked list recursively c++
C++
2 votes207 views2 answers
C++ in cmd
C++
-1 vote182 views1 answer
Longest increasing subsequence nlogn c++
C++