#include <iostream>
#include <cstdlib>
using namespace std;
int main ()
{
int a,b,c, s=0;
cout<< “Rango” << endl;
cout<< “Número a” << endl;
cin >> a;
cout << “segundo número” << endl;
cin>>b;
c=b-a+1;
while (a<=b)
{
s=s+a;
a++;
}
cout <<“La suma es de: ” << s << endl;
}
sum of numbers by ferny580 is licensed under a Creative Commons Attribution 4.0 International License.