10-12 Exercise: A water supply company

1 like 0 dislike
13.7k 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 | 13.7k 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:172.70.178.15
©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 | 11k 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 | 9.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users