Program Menghitung Luas Segitiga di Dev C++

#include <iostream>
using namespace std;


/* run this program using the console pauser or add your own getch, system("pause") or input loop */
class segitiga{
 float alas,tinggi;
 public:
  void luas(int,int);
  float hasil(void){
   float hasill=(alas*tinggi/2);
   return(hasill);
  }
};
void segitiga::luas(int a,int b){
 alas=a;
 tinggi=b;
}
int main(int argc, char** argv) {
system ("color b");
 segitiga eek;
 float x,y;
cout<<"|========================|\n";
cout<<"|Menghitung Luas Segitiga|\n";
cout<<"|========================|\n";
cout<<"|Thedi Wrys  (1500018081)|\n";
cout<<"|========================|\n \n";

 cout<<"Masukan Tinggi: ";cin>>x;
 cout<<"Masukan Alas: ";cin>>y;
 eek.luas(x,y);
 cout<<"Luas segitiga: "<<eek.hasil();
 return 0;

}

Luas Segitiga
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