本题要求实现一个计算复数之积的简单函数。
函数接口定义:struct complex multiply(struct complex x, struct complex y);
其中struct complex是复数结构体,其定义如下:
struct complex{ int real; int imag; };裁判测试程序样例:
#include输入样例: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 + %din", x.real, x.imag, y.real, y.imag, product.real, product.imag); return 0; }
3 4 5 6输出样例:
(3+4i) * (5+6i) = -9 + 38i
结尾无空行
代码 :
struct complex multiply(struct complex x, struct complex y) { struct complex product; product.real=x.real*y.real-x.imag*y.imag; product.imag=x.imag*y.real+y.imag*x.real; return product; }
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