/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

37 votes416 views2 answers
Remove element by index from vector c++
C++
12 votes309 views2 answers
Inheritance
C++
0 vote339 views1 answer
What is the "-->" operator in C/C++?
C++
0 vote319 views1 answer
Jquery ajax post json asp.net core
C++
-1 vote337 views2 answers
Delete file cpp
C++
0 vote360 views1 answer
Do c++ ints neeed to be initlaized
C++
0 vote319 views1 answer
How to store pair in min heap in c++
C++
1 vote327 views1 answer
Taking a vector in c++ containing element
C++
4 votes348 views1 answer
How to print a string to console in c++
C++
0 vote343 views1 answer
Using of and || c++
C++

Share