Midterm Question 1 - Makeup

Question

A water supply company charges the water consumption, as follows:

a) Fixed amount of 10$.
b) For the first 30 cubic meters 0.6$/meter.
c) For the next 20 cubic meters 0.8$/meter.  
d) For the next 10 cubic meters 1$/meter.  
e) For every additional meter 1.2$/meter.   

Write a program that reads the water consumption in cubic meters and displays the bill.
寫一個輸入水的用量 輸出水費的程式

Example Input:

25

Output:

Cost: 25.00

Example Input 2:

44

Output:

Cost: 39.20

Example Input 3:
 

75

Output:

Cost: 72.00

 

Answer 1

Hidden content!
#include<stdio.h>
int main(void)
{
*    *  *** * *    *  *   c,total;
**   *   *   * * *  *****  ******    ***   *

* **** ******** * * *  *
**        * *  ***** *
  *   *****    **  *  * **   * * **   * *  ***       **
 **  ** **  ****  *   *****   *   *** **   *  *  ** ******  * *** * ******  ** 
  *  ** *   ***  *

 * ** **  *      *  if(c>30 && c<=50)
   {
   **   *** *   ***** ** * * **** * ******* **  ***   * *  * * ***
 ***  *******   *   *   ***    *       *** **   ***  * ***   ** ** ****** * * 

 ***** * ** ** *  * *
***        ***** ***** if(c>50 && c<=60)
   {
* *  *   *** *  **  ** ***** ** *  * **     *****    ** * ** **   ** *  ** 
* ****    * ** *** ***         ** *   * ***   ***   ** * *********  * *
***    * **      **   
* *  * *   ***** **** **
   {
* *  * *   **     *   * *   *   *  *    *   ** *    ** ** *    *  *  
* * *** ** **  **** *  * **   **    ******  **    *  *** * *  ** *** *** 
*     ** **** *  **   




}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 2

Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
* *  *  *  *   **  * *** **   * * * * a;
 *** * **    *  *  * *** **    ******  ***    *   

   **   * **** * ****** **  *** (a<=30)
*****  ******* * ******* ****   * * %.2f",a*0.6+10);


       ***  **  *  *   **     (a<=50)
 *   * *         * *  *  ****    ** **     * *  * ***  *** ** * *      ***** * * * *


*****     **      **** *  * (a<=60)
   * ****   ***  *** **     ******** *** * *     ** ***  *       **** * **     ** *    *


    *  **  ** **     * *** (a>60)
 **    ** *    **  * * *****    ***  *********   * ***     **     *    *    *  **** ** 

       * *  ** ** ****  * 
*  * *  ** * ** * * *     *   0;
}

Comments

prog.c: In function 'main':
prog.c:7:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'float *' [-Wformat=]
     scanf("%d",&a);
             ^

Answer 3

Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
***    *         *  **** * a;
* **** *     **** *** * * *** * **  **  * *     **     *  ** *  *

***  **  *****   *****  ** (a<=30)
* *  * * **  * ** * *    *   * *** **  ***    %.2d",a*0.6+10);


 *****   ****** ****   ** **  (a<=50)
***    **  * *** *    ***    *** *****   *  **  ** ** **  * *   *  *  *  *  **  *  *     * 


*   * * *  * **       * *  *  * (a<=60)
**** *** *** ******  ***** ** ** **  ****  *  * *   * **** * *** * ****   **  ** *   *** **


  *  ** ***      * **    *   (a>60)
 * *****   **  *** * ***     *** * **** *  ** **   **  *    * ******      *** **

 * ***  *  **  * **  **  
 ***** ** *  ****  *  * ****  *** 0;
}

Comments

prog.c: In function 'main':
prog.c:10:22: warning: format '%d' expects argument of type 'int', but argument 2 has type 'double' [-Wformat=]
     printf("Cost: %.2d",a*0.6+10);
                      ^
prog.c:14:26: warning: format '%d' expects argument of type 'int', but argument 2 has type 'double' [-Wformat=]
         printf("Cost: %.2d",18+(a-30)*0.8+10);
                          ^

Answer 4

Hidden content!
#include ** **  ****   *


int main(void)

{
  ** ** *           *  ** y, fixed_charge=10;


**   * ** * **** * ****** *** ** *   **  **    * ***

*** **** *** * *  *  * (y<=30){


** ** *********  *  ***  ****** ******  * * *    ** *****   ***  ******
}

 if (y>30  ** * *    **  y<=50)
*  ** **  ***   *   *** *   

 * *** *    *  ***** * * ** ** ** *  *  * *** * * * * * * * **     *     * * 
**** * ***** * * ** *  * **   *
**  **  * *  *   *   **  * *  (y>50  *  *   ***** y<=60)
* ** *  *   **  **   * ***  ** 

 ** ** ****   * ***** *  *** *** ** * *   *  *   ** *    ** ****  **  *    ** * 
 }
 ***  *    **  ** *****      *****   * ***  (y>60)
    **** *  *   *   ** * **  

 **   ** * *** ****  *       *      ** *** * ** ***   ** *** **     *   *    *** ***
  *      ****  * *  * ***    *



return 0;

}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output

Answer 5

Hidden content!
#include *** *  *** **** 


int main(void)

{
   *  *  * * * ***** * y, fixed_charge=10;


  *  *********      *  *** * **  *** * **    * *

*  * ******** **    (y<=30){


*    ****** **** **** ****   *****  *** * ** ***  **** *    * ** *   
}

 if (y>30 ** ** * ** *  y<=50)
 * *      ***** * *  * * ** 

    * *  *  * **  ***** ** **** **  ***    **    *    **    *     * * ****   * **
  *    **** ***  *  * ** *******
** * ** ******   *********   (y>50 *****  * *  y<=60)
  **  ** **  *   ***   ****

** *    ** **** *   * * ** **     *   * **     * *  **       **  *  * *  ** 
 }
 ** *** **   ***  **    *****  *** **  ****  (y>60)
* * ** ** ***   *   * * *

 *  *   **   * *     ** ** ****  * *   ******       ***        ******** *     * *
  *   * *  *   *  **   ****



return 0;

}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 6

Hidden content!
* * ****** **** ** **
int main()
{
int n;
float cost;
* *  * **  ***    **      *
if(n>60)
   ****      *** *****     *  * *** *** ****  ********* 
* ***   *     **      * ***
*  *  ** ** * * ***** * * ** ** ***********  ** ** 
     *** ** ** **   *       *
  **** *  * ***  * **    * **   *** * ****  * 
if(n<=30)
     **** **   *   ** * * ***  **    *  **
*  *** ***     %.2f",cost);

return 0;
}

Comments

prog.c: In function 'main':
prog.c:13:1: error: expected declaration or statement at end of input
 return 0;
 ^~~~~~

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output

Answer 7

Hidden content!
#include *  *  * *  ** * *** 

int main(){

*  * **      **   * * * *****  sum,n;

*   *  **  * *  ***  ***  * **   ***  *   * * *     

   *** *  *  ** **   * * * * *  * *
 * * *  **** **** *  **  = 10 + n*0.6;

   ** *  **** * * **    ***    * ** ***  *     **** *** n <50)
  * *    * *** **  ***** = 10 + 30*0.6 + *  ** 

 ***  * *  ** **   * *    *** ** * *  ** * * ****  * * * ***
* **     ** * * * * **  * * ** = 10 + 30*0.6 + 20*0.8 + ** ** ***

       **              *  * *   ***** **
* *  *  ** *    ** *  *    = 10 + 30*0.6 + 20*0.8 + 10*1.0 + ** ***  

* *  ** * ** *  **** **    *   *  *** **  *** **  * *  ** sum);

 **     *  * * * **  *  *    0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output

Answer 8

Hidden content!
#include<stdio.h>
int main()
{
  * *  **  * * **  **    * **   a,b;
 **  * *   ***   ** ** * ** * * **   ***  * ** **    *
 * *** *    **** *   *    *   ** *      
    {
** ***  * * * ** * ** **   * * *** **   * * * * **  * **
 * * * ** *  * *******    ** 
 ** * ** * ** *  * *   *  *  ***** *  ** ***** *  * 
    {
 *  ** * *** ** ** **  *** * ** ***** **** *   *    *  * * * ***** * *
*   *   ******   *     **  *
  ** *** * *  **  *  ** *  *  *  **** *  *** ***     *  **   * ****  
* * *    **              **
     * * ** *    *** ** *** * *  * *** ***  * ** **  **  **    **  *******
    }
   * * * **  * * * ***    * ** if(a>=60)
****** * *  *  **    **
 * ***  ** *  ***  * * ** ** * * ** * *  * * * *   * * *     **   ***    **
    }
    ** *    *  ** * * *  * * *    *  * **** *** * *
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output

Answer 9

Hidden content!
#include <stdio.h>
#include *  *    *****

int main()
{
* * * *** *** * * *   *  **  n,sum;
 * **   ** *****    * *  * ***  **   *** * *  *  **  ***

   ***  **** ***   * **** ***** * ***
 * *******  *      ** * **
          * * * **  ** * *   ** *     *    *  *     * ** * 10+n*0.6;
* ** *   * **   * * * **

   * ** *    ** * **   **** * * if(n>30 && n<=50)
    **  ** *****    ** ** ** *  *
      ****** ***      ** *  ****   **   ****** ***  ** 10+18+(n-30)*0.8;
* *** * **  *    * * *   * 

 *   * **   * * *  **  * *** ****  * if (n>50 && n<=60)
**      *    *     ****     *****   ** ***     *  * **  *  *  * **   * 

    *   ******    **  * 
  **    ** * ** **   ***   *  *  *   ** * *   * ******    ***** *  * *

**** *  ******   *******  * * ** **  **  %.2f",sum);

* *  * *  ** ** * ****** *  * *** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output