4. Bahasa C++
#include <iostream>
#include <string>
using namespace std;
int main()
{
string raptor_prompt_variable_zzyz;
int hasil,x,a,bb;
cout<<"masukan batas bilangan="<<endl;
cin >> bb;
a =0;
hasil =0;
while (1)
{
a =a+1;
cout<<"masukan nilai x="<<endl;
cin >> x;
hasil =hasil+x;
if (a>=bb) break;
}
cout << hasil << endl;
return 0;
}