c - 我似乎无法让我的 C 程序接受输入(直角棱柱计算器)

Question

这是我第一次发帖，所以我无法将代码直接发到文本框中。

我遇到的问题是它自动生成数字而不是提示用户输入。我是 C 的新手，所以我不太明白我做错了什么。提前致谢。

#include <stdio.h>
#include <stdlib.h>



//function prototype
int getLength();
int getWidth();
int getHeight();

int vol (int, int, int);
int sA(int, int, int);
void disp(int, int);
int main()
{
    //declarations

    int a = 0;
    int b = 0;
    int c = 0;
    int volume = 0;
    int surfaceArea = 0;
    //input

    //calculation

    volume = vol(a, b, c);
    surfaceArea = sA(a, b, c);
    a = getLength;
    b = getWidth;
    c = getHeight;
    //output
    disp(vol,surfaceArea);
    return 0;
}//end main

//get length
int getLength()
{

    int length = 0;
    printf("enter length:  ");
    scanf("%d", &length);
    return length;
}


//get width
int getWidth()
{
    int width = 0;
    printf("enter width:  ");
    scanf("%d", &width);
    return width;
}

int getHeight()
{
    int height = 0;
    printf("enter height:  ");
    scanf("%d", &height);
    return height;
}
int vol(length, width, height)
{
    //return a * b * c
    int volume = 0;
    volume = (length * width * height);
    return volume;

}//end volume

int sA(length, height, width)
{
    //declare variables

    int wL1 = 0;
    int wL2 = 0;
    int wL3 = 0;
    int surfaceArea = 0;
    //breaking up into small portions
    wL1 = (width*length);
    wL2 = (height*length);
    wL3 = (height*width);
    surfaceArea = 2*(wL1+wL2+wL3);
    //return A=2(wl+hl+hw)
    return surfaceArea;

}//end surface area

void disp(volume,surfaceArea)
{
    //display results
    printf("The Volume of the Rectangular Prism is:   %d \n\n", volume );
    printf("The Surface Area of the Rectangular prism is:  %d", surfaceArea);
}

Answer 1

我想你想改变这个:

//Line 18
volume = vol(a, b, c);
surfaceArea = sA(a, b, c);
a = getLength;
b = getWidth;
c = getHeight;

//Line 33
disp(vol,surfaceArea);

//Line 64
int vol(length, width, height)

//Line 73
int sA(length, height, width)

//Line 91
void disp(volume, surfaceArea)

为此:

//Line 18
a = getLength();
           //^^Call the function and assign the value before you call functions with this variable
b = getWidth();
c = getHeight();
volume = vol(a, b, c);
surfaceArea = sA(a, b, c);

//Line 33
disp(volume, surfaceArea);
   //^^^^^^ vol doesn't exists i think you wanted to use volume

//Line 64
int vol(int length, int width, int height)
      //^^^ Declare the type of the variable, like in your prototype

//Line 73
int sA(int length, int height, int width)

//Line 91
void disp(int volume,int surfaceArea)