请问该程序要如何改写成 定义三个函数main(), j_jing (), j_jiao()的类型？

Question

请问该程序要如何改写成 定义三个函数main(), j_jing (), j_jiao()的类型？

#include
#include
#define PI 3.14159265f
int main()
{
printf("本程序可以将点坐标（x,y）转换为对应的极坐标\n"
"请输入x y的值：");
double x, y,j_jing,j_jiao;

scanf("%lf %lf", &x, &y);
j_jing=sqrt(x*x+y*y);
j_jiao=atan2(y,x);

printf("该坐标对应的极径为：""%lf\n",j_jing);
printf("该坐标对应的极角弧度为：""%lf\n",j_jiao);
printf("角度为:%.1f度",(j_jiao/PI)*180);
printf("\n");

return 0;
}

Answer 1

#include<stdio.h> 
#include<math.h>
#define PI 3.14159265f
double j_jing(double x, double y)
{
return sqrt(x*x+y*y);
}
double j_jiao(double x, double y)
{
return atan2(y,x);;
}
int main()
{
printf("本程序可以将点坐标（x,y）转换为对应的极坐标\n"
"请输入x y的值：");
double x, y;
scanf("%lf %lf", &x, &y);
printf("该坐标对应的极径为：""%lf\n",j_jing(x,y));
printf("该坐标对应的极角弧度为：""%lf\n",j_jiao(x,y));
printf("角度为:%.1f度",(j_jiao/PI)*180);
printf("\n");
return 0;
}

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