how to get last element of set code example

Example 1: 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

Example 2: how to get last element of set

// Example program
#include <iostream>
#include <string>
#include <set>
#include <iterator>
using namespace std;
int main()
{
    set<int>a = {5,9,100,25,4,6};
    auto it = a.end();
    it--;
    cout << *it;
}