10-12 Exercise: A water supply company

1 like 0 dislike
23.9k 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 | 23.9k 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:162.159.115.31
©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 | 18.9k 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 | 17.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users