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

3 votes166 views3 answers
Largest Subarray with Zero Sum
C++
0 vote172 views3 answers
C++ program to convert celsius to kelvin
C++
0 vote134 views2 answers
C++ bit shift wrap
C++
1 vote131 views1 answer
Memcpy c++ usage
C++
0 vote134 views1 answer
How to manually start windows app
C++
0 vote138 views1 answer
C++ open all files in directory
C++
0 vote128 views1 answer
Cosnt cast
C++
0 vote128 views2 answers
Comment savoir si un nombre est premier c++
C++
0 vote155 views1 answer
Basic stack implementation in c++
C++
1 vote129 views2 answers
C++ array sort method
C++