10-12 Exercise: A water supply company

1 like 0 dislike
18.3k 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 | 18.3k 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:172.68.7.123
©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 | 15k 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 | 13.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users