10-12 Exercise: A water supply company

1 like 0 dislike
23.6k 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 | 23.6k 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:104.23.243.165
©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 | 18.6k 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 | 17k views
12,783 questions
183,442 answers
172,219 comments
4,824 users