10-12 Exercise: A water supply company

1 like 0 dislike
21.8k 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 | 21.8k 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:172.71.254.83
©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 | 17.5k 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 | 15.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users