#include <stdio.h>
typedef double resistance;
int main()
{
resistance R1, R2, R3;
double TotalR, Voltase, Arus;
/* Minta tiga resistan dan voltase */
printf("berikan tiga resistan (ohm) :");
scanf("%lf %lf %lf", &R1, &R2, &R3);
printf("voltase yang digunakan (volt) :");
scanf("%lf", &Voltase);
/* Hitung total resistan dan arus */
TotalR = 1.0 / (1.0 / R1 + 1.0 / R2 + 1.0 / R3);
Arus = Voltase / TotalR;
/* Tampilkan Arus */
printf("Arusnya = %.2lf amps.\n", Arus);
return 0;
}