/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 vote110 views1 answer
Age in days in c++
C++
0 vote129 views1 answer
The statement vector vector int matrix(100 vector int (50 100) ) declares
C++
10 votes109 views3 answers
Initialise 2d vector in c++
C++
0 vote109 views1 answer
How to declare a 2D vector in c++ of size m*n with value 0
C++
0 vote106 views1 answer
Update variable in const function C++
C++
0 vote165 views1 answer
[3,2,4,-1,-4]
C++
1 vote110 views1 answer
Sfml mouse click
C++
1 vote73 views1 answer
Add element to start of vector c++
C++
174 votes176 views15 answers
Int to string c++
C++
0 vote111 views1 answer
C++ split string by several space
C++

Share