/C++/C++ vector extend vector

C++ vector extend vector

C++ vector resize

std::vector<int> vec = {1, 2, 3};
vec.resize(2); // {1, 2}
vec.resize(4); // {1, 2, 0, 0,}
vec.resize(6, 9);  // {1, 2, 0, 0, 9, 9}

3

C++ vector extend vector

std::vector<int> a = {1, 2};
std::vector<int> b = {3, 4, 5};
a.insert(a.end(), b.begin(), b.end()); // a = {1, 2, 3, 4, 5}

0

Similar codes

0 vote240 views1 answer
Give an algorithm for finding the ith-to-last node in a singly linked list in which the last node is indicated by a null next reference.
C++
0 vote238 views2 answers
344. Reverse String c++
C++
35 votes232 views2 answers
How to remove middle element in vector c++
C++
0 vote253 views1 answer
Cpp tutorial
C++
1 vote230 views1 answer
C++ std::fmin
C++
1 vote258 views1 answer
Ray sphere intersection equation
C++
2 votes244 views1 answer
Priority queue in c++
C++
10 votes225 views3 answers
What is pi
C++
0 vote225 views1 answer
Ue4 set size of widget c++
C++
2 votes231 views2 answers
Copy array c++
C++

Share