Last element of a set in c++

How to get last element of set in c++

set<int> s = {1,2,3}
auto it = s.end();
it--;
cout<<*it<<"\n"; // This refers to last element of a set

Last element of a set in c++

set<int> st {1,2,3,4};

// rbegin() meand reverse begin, means we will choose the first element
// from the end of the set (start counting from the end)
auto last (st.rbegin()); //get iterator of the first element from the end
cout << *last << endl; //get the value from the iterator (return 4)

// instead we could directly use :
cout << *(st.rbegin()) << endl; // return 4

Similar codes

5 votes248 views1 answer
How to use comparator funtion in priority queue in c++
C++
0 vote238 views1 answer
Char at in c++
C++
1 vote245 views1 answer
C++ find in pair
C++
0 vote285 views1 answer
A function to create double quotes for alphabet in c++
C++
1 vote252 views1 answer
Prime numbers less than a given number c++
C++
0 vote254 views1 answer
String hash
C++
0 vote263 views1 answer
Memmove
C++
0 vote264 views1 answer
Simple program for sign in and sign up in c++
C++
0 vote273 views1 answer
Operand-- c++
C++
0 vote275 views1 answer
Cpp get keystroke in console only
C++