ingresar por pantalla dos numeros y sumarlos

nclude <iostream>
using namespace std;

int main(){
    int a, b;
    cout << "Enter two numbers: ";
    cin >> a >> b;
    cout << "The sum is " << a + b << endl;
    return 0;
}

A:

You need to #include <algorithm> for std::sort.
#include <iostream>
#include <algorithm>
using namespace std;

int main(){