/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

1 vote199 views1 answer
How to reset linerenderer unity
C++
0 vote229 views1 answer
Make random nuber between two number in c++
C++
0 vote214 views1 answer
C++ unordered_map check if key exists
C++
0 vote275 views1 answer
C++ fill array with 0
C++
1 vote273 views1 answer
Multithreading
C++
1 vote210 views1 answer
Const char to string
C++
45 votes222 views6 answers
Input in c++
C++
0 vote200 views1 answer
Person parametr cpp
C++
1 vote257 views1 answer
How to block window resize sfml c++
C++
2 votes267 views2 answers
How to check a number in string
C++

Share