我试图计算两个三角形,并使用主要内3个独立用户定义的函数的圆的面积。编译完成后,GetInt函数可以正常工作,但其他两个函数的计算结果并未在屏幕上为我的Microsoft Visual Studio 2013上的c程序准确打印。我做错了什么?用户定义函数
#define _CRT_SECURE_NO_WARNINGS
#define PI 3.14159
#include <stdio.h>
#include <math.h>
int GetInt(void);
double CalcTriangleArea(int base, int height);
double CalcCircleArea(int radius);
int main(void)
{
printf("%d", GetInt());
printf("%f", CalcTriangleArea);
printf("%f", CalcCircleArea);
return(0);
}
int GetInt(void)
{
int radius, base, height;
printf("What is the radius of the circle? \n\n");
scanf("%d", &radius);
printf("What is the base of the triangle? \n\n");
scanf("%d", &base);
printf("\nthe height of the triangle? \n\n");
scanf("%d", &height);
return (radius, base, height);
}
double CalcTriangleArea(int base, int height)
{
double triangleArea;
printf("Triangle area is %.2f \n\n", triangleArea = .5*base*height);
return(0);
}
double CalcCircleArea(int radius)
{
double circleArea;
printf("Circle area is %.4f \n\n", circleArea = PI * pow(radius, 2));
return(0);
}
感谢您的帮助。但是,当我在main中调用函数时,我必须初始化变量,除非在屏幕上打印三次而不是一次: – Nikita