no 3

Program menghitung keliling persegi panjang

#include <cstdlib>
#include <iostream>
#include <conio.h>
using namespace std;
void kel(int p,int l){
 int hasil;
 hasil=2*(p+l);
 cout<<"Keliling persegi panjang : "<<hasil<<endl;
}
int main(int argc, char *argv[])
{
 int a,b;
 cout<<"|==========================|\n";
 cout<<"| Mencari Keliling Persegi |\n";
 cout<<"|         Panjang          |\n";
 cout<<"|==========================|\n";
 cout<<"Masukkan lebar persegi \t: ";cin>>a;
 cout<<"Masukkan panjang persegi :  ";cin>>b;
 kel(a,b);
 system("pause");
 return 0;
}