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| #include <stdio.h>
struct complex{
int real;
int imag;
};
struct complex multiply(struct complex x, struct complex y);
int main()
{
struct complex product, x, y;
scanf("%d%d%d%d", &x.real, &x.imag, &y.real, &y.imag);
product = multiply(x, y);
printf("(%d+%di) * (%d+%di) = %d + %di\n",
x.real, x.imag, y.real, y.imag, product.real, product.imag);
return 0;
}
struct complex multiply(struct complex x, struct complex y)
{
struct complex result;
result.real = x.real*y.real - x.imag*y.imag;
result.imag = x.imag*y.real + x.real*y.imag;
return result;
}
|
