10-12 Exercise: A water supply company

1 like 0 dislike
21.1k 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 | 21.1k 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:172.70.50.50
©2016-2025

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 | 17k 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 | 15.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users