/C++/C++ access second last element of vector

C++ access second last element of vector

Access last element in vector in c++

vector<int> v;
cout << v[v.size() - 1];
cout << *(v.end() - 1);
cout << *v.rbegin();
// all three of them work

19

Cpp get last element of vector

vector<int> vec;
vec.push_back(0);
vec.push_back(1);
int last_element = vec.back();
int also_last_element = vec[vec.size() - 1];

2

C++ access second last element of vector

arr2.rbegin()[1] // rbegin() is reverse order starting at 0 for last element, 1 for second-last

0

Source: stackoverflow.com

Similar codes

0 vote324 views1 answer
Three-way comparison c++
C++
0 vote347 views1 answer
+++++++++
C++
0 vote311 views1 answer
Overload of << c++
C++
1 vote308 views1 answer
Cuda dim3
C++
0 vote335 views1 answer
Through map c++
C++
15 votes325 views3 answers
Char to string c++
C++
10 votes314 views3 answers
C++ int to char*
C++
0 vote337 views1 answer
C++ singleton prevent copy
C++
6 votes306 views6 answers
Naruto
C++
0 vote331 views1 answer
Fenwick tree
C++

Share