C语言函数求面积#include "stdio.h"#define p 
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C语言函数求面积
#include "stdio.h"
#define p 3.14
double shubanjing(double m)
{double r;
scanf("%f",&r);
return r;
}
double qiumianji(double n)
{double mianji;
double r;
mianji=r*r*p;
return mianji;
}
void main()
{ float mianji;
mianji=qiumianji(mianji);
printf("你所求三角形面积为:%f",mianji);
}
以上是我的代码 调试时为
![](http://img.wesiedu.com/upload/8/83/88352d0a50f9ad4971f7cc95d23409e2.jpg)
我不大清楚参数列表的作用 希望高手帮我解决下 和帮我理解下参数列表
#include "stdio.h"
#define p 3.14
double shubanjing(double m)
{double r;
scanf("%f",&r);
return r;
}
double qiumianji(double n)
{double mianji;
double r;
mianji=r*r*p;
return mianji;
}
void main()
{ float mianji;
mianji=qiumianji(mianji);
printf("你所求三角形面积为:%f",mianji);
}
以上是我的代码 调试时为
![](http://img.wesiedu.com/upload/8/83/88352d0a50f9ad4971f7cc95d23409e2.jpg)
我不大清楚参数列表的作用 希望高手帮我解决下 和帮我理解下参数列表
![C语言函数求面积#include "stdio.h"#define p ](/uploads/image/z/4584462-6-2.jpg?t=C%E8%AF%AD%E8%A8%80%E5%87%BD%E6%95%B0%E6%B1%82%E9%9D%A2%E7%A7%AF%23include%26nbsp%3B%26quot%3Bstdio.h%26quot%3B%23define%26nbsp%3Bp%26nbsp)
给点建议,你的代码写的很不规范,声明变量的时候最好初始化,宏定义的时候名称要大写,double类型建议用"lf"
#include
#define P 3.14
double shubanjing()
{
double r = 0;
scanf("%lf",&r);
return r;
}
double qiumianji(double *n)
{
double mianji;
double r = 0;
r = shubanjing();
mianji=r*r*P;
return mianji;
}
void main()
{
double mianji;
mianji=qiumianji(&mianji);
printf("你所求三角形面积为:%lf\n",mianji);
}
#include
#define P 3.14
double shubanjing()
{
double r = 0;
scanf("%lf",&r);
return r;
}
double qiumianji(double *n)
{
double mianji;
double r = 0;
r = shubanjing();
mianji=r*r*P;
return mianji;
}
void main()
{
double mianji;
mianji=qiumianji(&mianji);
printf("你所求三角形面积为:%lf\n",mianji);
}
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