C++ vector declaration

vector<int> vec;
//Creates an empty (size 0) vector

vector<int> vec(2);
//Creates a vector with 2 elements.

vector<int> vec(4, 3);
//Creates a vector with 4 elements.
//Each element is initialised to 3.

Similar codes

-3 votes291 views3 answers
Open a url with dev c
C++
0 vote269 views1 answer
Print all even number using for loop c++
C++
3 votes275 views2 answers
Fast Inverse Square Root
C++
0 vote266 views1 answer
C++ array rev pointer
C++
7 votes289 views2 answers
How to concatenate vectors in c++
C++
1 vote274 views1 answer
Kwakiutl tribe artifacts
C++
4 votes284 views2 answers
Round double to n decimal places c++
C++
0 vote332 views1 answer
Deletion in bst
C++
0 vote273 views1 answer
C++ looping through a vector
C++
0 vote273 views1 answer
Compile c++ MPI Program
C++