10-12 Exercise: A water supply company

1 like 0 dislike
18.7k 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 | 18.7k 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:172.70.111.115
©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 | 15.3k 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 | 13.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users