10-12 Exercise: A water supply company

1 like 0 dislike
24.3k views

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

 

[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 26465 - Available when: Unlimited - Due to: Unlimited
edited by | 24.3k views

91 Answers

0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
   **     *  * *     *  * *      *  a;
    **    *      *  *   *  * **   ***   *   *** *   * 
 ** ****** ****  * * **** **  (a<=30)
**   * **    ** * ** *   ***     **  * **   * *   ***  * * **      **     %.2f",a*0.6+10);
******     ***   **  * *** * if (a<=50)
   ** ** *  * ** ** *  * * ***    *** ** * ***** **    * ** ** * * *  *   **  *  ****** **  ** 
**    **** *  ** * * * * * *  if(a<=60)
 **    * * * ***** ***     **** ** *   * *  * *  * *  **** *   *  *   * * ****  %.2f",34+(a-50)*1+10);
  * *** *****  *** **      *
*   *  **  *** **  **   **  * ****   **** **   ** * ***    * *  * ** *  *  *   ** * *   *
 *** *** * ** * *    *****   ** * 0;
}
answered by (-108 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
  *** * *  ***  ** ***** ****  * *  a;
* *   **** * * ** ** **  * ** ***   ** *  *    *  **   * ***   
    if (a<=30)
 *** *** * **    *   ****  ** ***** ****** * * ***** * ***      * * * *         
 * * * **  *   ****  ***  if (a<=50)
** ** ***** *** * *  * * *** ** ****  * *** *   *****  ***  * **  * *    *  * **** **  *  
***  ** * *   *   **    **** * if(a<=60)
*  ** * * *** *       **    *   * * ** * ***** *** ***** * **  ** *   ** **** * * **  *  * 
****   * * * ** *******     ** * *
 **  *   ***  **   *    ** * *    * *  ****** *  * ** ** *    **  *  **   **  ** ** *  *
*****  *******         ****     * 0;
}
answered by (-108 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
* *    **    * *  *    **     x;
 * *   *** *   *   ** **    *   * **  *   * *   *   ** * 
 **** * * ** ***   * *   *   ***** *   ** ***** * **
 ** ** ***  **    * *** * ****** **** **   %.2f",x*0.6+10);
 *   * * * *  **** * **    ***** **  *     **   **    **  
 ******* ** * ******** **  ** ** *  * *  ** * * **  *  *** ****** * 
    * * * * *  * **** ***     *****     ****   ***  **     ** * **    
      ***  *   *     **       * ** ****   %.2f",(x-50)*1+44);
 **      **     *  *  * * *  
* * **    ** * * * * *   * *  ** * ***  **   ***** *    **** ****
 *** ***   *** *   ********* *  *  0;
}
answered by (-498 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include  ***      * * 

int main()
{
  * * *   ** **** * *   * *  **** * a,b=10;
*** ***  * ***  **** ***** * *     *  *     *****  *

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

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

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

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

*  * *  **  *  **  **** ****  ** *   %.2f",b);
return 0;
}
answered by (-127 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
 *    * *  ** * ** ***** ***   a,b=10;
*  *      * *    * *** * *     *** **    *   *** * *** *

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

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

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

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

 ****   *** *  ** * * * *  * ** **** **  **  *** *  *  ** 
return 0;
}
answered by (-127 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdlib.h>

int main()
{
*  ******  *******  **     x;
*** *  **  ** * *** *   * *   **   *** *    * **   **  *** * *
 ****   * * *   * **  ** * *  * *     * *****    *  * *      **

*** ** *  ** ** ** * ** ***** *   *     *    ** *** ** ****  *  ** ****** * %.2f",x*0.6+10);

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

 * *  *    ***** * * ** ***** * *  ****  * ** ****  *****  ** ***     %.2f",(x-30)*0.8+28);

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

* **  *** * *** ****  *  *    *  * **  **   *  ***** *  ** **** ** **  * * **   %.2f",(x-50)*1+44);

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

 ** ******  *  **      *    * **** ****  ** * **** ** * * * ** ***     *  *  %.2f",(x-60)*1.2+54);

  *     ****  **    *  **  **  ** * 0;
}
answered by (-498 points)
0 0
prog.c: In function 'main':
prog.c:6:5: error: implicit declaration of function 'scanf' [-Werror=implicit-function-declaration]
     scanf("%f",&x);
     ^~~~~
prog.c:6:5: error: incompatible implicit declaration of built-in function 'scanf' [-Werror]
prog.c:6:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
prog.c:9:9: error: implicit declaration of function 'printf' [-Werror=implicit-function-declaration]
         printf("Cost: %.2f",x*0.6+10);
         ^~~~~~
prog.c:9:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
prog.c:9:9: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:13:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
         printf("Cost: %.2f",(x-30)*0.8+28);
         ^~~~~~
prog.c:13:9: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:17:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
         printf("Cost: %.2f",(x-50)*1+44);
         ^~~~~~
prog.c:17:9: note: include '<stdio.h>' or provide a declaration of 'printf'
prog.c:21:9: error: incompatible implicit declaration of built-in function 'printf' [-Werror]
         printf("Cost: %.2f",(x-60)*1.2+54);
         ^~~~~~
prog.c:21:9: note: include '<stdio.h>' or provide a declaration of 'printf'
cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
  *  *  ****** **  *  *      *    a,b=10;
    * *  * **** ***** ***** *** *****    * *  ***   *
**  *   ** *    **  * * *   * ***
*  * *   *   *** *  ***** * * *   **** ** * * ****  ***
****  ***       * **  ******   * * if(a<=50)
* ***    *      **  **   **  *    *   *   * *    * *   * *   **** *  * *
    else if(a<=60)
* **  * *  ****  *       **   * ** **   *** **** * *****   *
**  * *  *   *****  *  ** *  
*  * **  *** ******   *    *  ** ***   *   **** *    * ** *    * *  *  **
        * ** **  *  *** * *   *  ******  ** %.2f",b);
  *** **   *     *** *    ** * 0;
}
answered by (-255 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include  ****  * * * * * 

int main()
{
 *    * * *  * ** ** *  ** a,b=10;
**  *** *  * ** * ****   **** * ** ** **   *  * ** ** 

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

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

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

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

*** * * * *****  *    ** ****  *  ** *  * * * %.2f",b);
return 0;
}
answered by (-127 points)
0 0
Case 0: Correct output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
** ** *    * ** ****  ** *** a,b=10;
* ****   *    *** * *  **** ****   ***    *** * ******  *

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

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

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

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

*  ****  * ** *** ****  *** * * * *** ** *  *  **
return 0;
}
answered by (-127 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main(){

**** ** * ******  ** ******* a,b,c,d,e;

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

*** * **** ***** ** **   **   ** *   *********  ** *        * 
 *   ***        *     * ** *  **  **  *    ***** * * *  * *   %.2f",b);}

 * **  * ******      ** **  *  * **** * *  **    **** *   **** && a>30){
**** * *****   * **  *  * **  * *     * * ***  *   **** * * ** %.2f",c);}

* *     **   * * **   ***  **  * ***  ***** *  * && a>50){
 * **** * * * * * **   *   * **   **  **** ** **  ** *  ** **    ** **     %.2f",d);}

*   *****   **** * ** * ** *  *    **  * **** *** ** *
 ***    * **   **   **      *        **  *** ***   * ** *  *  ** *    **  %.2f",e);}










*** *   * * *   *   *  ** *  * 0;



}
answered by (-301 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.243.108
©2016-2026

Related questions

3 like 0 dislike
87 answers
10/12 Exercise: Complete a program with output format
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited | 19.3k views
3 like 0 dislike
86 answers
10-05: A program that reads the exams result and displays the percentages.
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited | 17.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users