10-12 Exercise: A water supply company

1 like 0 dislike
18.6k 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 | 18.6k views

91 Answers

0 like 0 dislike 
Hidden content!
 *** ******** ** *  *  
int main()
{
  *   ****  * *** x,y;
   * *  * **    *** * ****  * *  ** * *  
   ***       ***  * * ** ** ***     **
  {
*   ***   * ***  *    **  * ***   ****   * ** *  **  
  }
******* ***    * *     *        ** * * *****  ***
  {
* *    * *  *****  * **    **   **  *       **
  }
 *** **   *** **** *  *** *    **   *** *  *
  {
*** **  *    *  ***  * *  * ** *   ****  * * 
   ** * * *   *
  **** *      if(x>=60)
** *     ***  * 
**  *    *** **  **** ** *** *****   * ** *   *  ***
 * *     *  ***
* **   **** * **  * * * * *   %.2f",y);
  ** *    *** *  ** 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>
int main(void)
{
  *** *  *  ** ********   ** *     x,y;
 * * * *   ** * * *    * * *  **  **   * **   **** *
 **  * ** *   * ***   * *  (x<=30)

*** **  *** * * * ** *    **** *  **

 *******  **** **  *  **** *     if (x<=50)

**  *  * ** * * *  **    * *** **    ** *  * 

*  *** *     ******   * **  if (x<=60)

* ** *    * *  *   * * * ** *   **    *  ***  *

   *  *   *   **     * **** **

 * ****  *    *  *     * ** * ***    ** *  * **  *

     *  *  ** *  * **   *  * * * * *** %.2f",y);
       *** ** **  ***     *  *    0;
}
answered by (-196 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!
   *  ** * **  * ***
#define FIXED_AMOUNT 10
int main()
{
 **  * *  * ** **    x, first_30cb,   ** ** **  *   next_10cb, add_metercb;
* ****  ** *** *   *   ****** *  **        &x);
  *** *******  * *   * * *  (x<31)
 * *     *  ***  *  *
 *     *  * * *  **** ** **  *****  *  * **  *****  * * * = FIXED_AMOUNT + x*0.6;
 * ****    *******  *****  * * *        ***  *    *     ** *********** *   *** * ** * *
  **  **  ***  *   **
 * * ***   * *   *   **** * if (x<51)
** * *** * **  ***   *
** ****  ****    ***  **  * *** ***  * * *** * * ***  = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
   ** ****  *    * * *  ******            **  * * ** *  ********* *  * * *****  ***
*    **** ********** *
* *  *  ***  ** ** * * if (x<61)
*** ***  *  **** *    
*****  ***  ** * *  ***** *** ** * *   ***  ****     * = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
**   **  *******  *  **      ***  * ** ** ** *  * * *****     *  **** * ***   *  * 
***     * * * *** **   
 *  *  * *    ***  *** ** 
**  **** **** ** *   **  *   
* * *** *  * * *  *  ***** ***  * * ***   **            * *   = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
** *   *** ** *  **** *  **** *** **  **** ***   **  *** * ** *  *  *  *    ** * *  *** 
*   **   ***   *   * **** *** ***

* ** * *    ***   ** * * 0;

}
answered by (-281 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
* ** *  *  ****    
#define FIXED_AMOUNT 10
int main()
{
  *  *** *  ** *** ** ****  x, first_30cb, * ***** * **    next_10cb, add_metercb;
*** * ** ****   *     *  *  * ** *   ** &x);
***   *     * *** *** (x<31)
***      *  *   **  
***  ** ** *  *  * *   * *  * * * *** **  **   = FIXED_AMOUNT + x*0.6;
     *     *  *****   *** *   *  ****  * * * **    * *   * ****** *** *** **
*   * *** *  ** **
**   **  *  *  **     ***  if (x<51)
*  * **** **  *  ***  *
    * **** * *      *  ****** *  *  *   *   **** *  *** *    = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
*  *  * ** * **     * *   * * *  **  *** *   ** *****   * *   ****** **    *   *  
*    *  * **** ***   *
    *  * **   *** * ** * *  if (x<61)
  * *  *  **  *   * *
 *****  ** * ** ** *  *  * * ***  *  * ** *   *    * * = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
*  * *   * *  *    * ** *      * *** **** *  *  *  * **     *   *  ******* ******* 
 *   * **** *   * *
 ***  ****   ** ***** 
** *  ** **    **** *  * *
***  *  *  * ******   **** **** ** *   *  ***  * *  *  *  **      = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
*    *** ***  *   *** * * *** ***  * *      * * **   ***   **  **    *  **    * *  
  *   *  * **  ******* *  ***  

 ***   *** *** ****     0;

}
answered by (-281 points)
0 1
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!
  *   ** *     **
#define FIXED_AMOUNT 10
int main()
{
 *** *   *  * *        x, first_30cb,  next_20cb, next_10cb,   * * **   *  * 
***  *  ** * ** *  * ****   * *   * * ** &x);
  **** *  ****  ******  * (x<31)
* *       ******   ** * 
 ** *** * ** ******  * *  **   *** *  * *  * *   ****   * = FIXED_AMOUNT + x*0.6;
** ** ** *  **    **  ** ** *  ** * *    * **  ****  *** ** *    *** * * **** **   *
*  **** *   *     **
**    *    ** *** **** * if (x<51)
   *****   *   * * *
  ** **** ** * *   * * ** *  ***  *  ** **  **  * = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
** *   ******* *    **   * **  * * *  * * ***  * *    **  ** *** *   ******
* ** ***   * * ** 
***   ** ***  ***    if (x<61)
* ***** * * ** **   * 
  * ** *  ** ** **    *  *** *  * ***  *  *   *  * *  = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
*  *  *  ** *******   *   *  * *** ****** ****  **    * * *  **  *** **** 
 * * **    *****   
**** * *****  *** *** 
    ******   **** ***  *   *  
  *       **** * *   *  * * *    ****** * *  *  *   ***   *   *   *  = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
 **    *  *  **  ***    *  ** *  ***** * ****** ** **    *  **    *    *   *****   **     
***  *  **  **   *    ***

** *  **** **** *** * ** 0;

}
answered by (-281 points)
0 0
prog.c: In function 'main':
prog.c:5:61: error: unused variable 'total_amount' [-Werror=unused-variable]
    float  x, first_30cb,  next_20cb, next_10cb, add_metercb,total_amount;
                                                             ^~~~~~~~~~~~
cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main(void)
{
*****   * * **** **  *   ** x,y;
****    *   *     *** * * *       * * * * **  ** * 
   ***  ** **** **** ***  * **  (x<=30)

 * *****  *** *    * * * **        

*     * ***     ****   * * if (x<=50)

 * ***********      *  ***   **   *  * *

  *       *   ***  ** ***   *     if (x<=60)

  * * *          *  ** ***  **  * ***  * *

* *  **   * *  *  ***** * 

**** * *   * * **** * ** *** ****  *   **  

* *  * **** * **  *****  ***** *    * ** ***       
 ** * * *  *   ** ** ***    * 0;
}
answered by (-196 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;
 *  * ***** ***    ** ** *    * * * ****** * &a);
 * **     * * ** * *** **      b;
***    **  ****     * * *       ** * * * {
  **       ** *  *   *  *     *  * *  ** ** * **  *        *
******   **    *  ** *    * *
**   **  **** ** *  ** **  ** *  if(a> 30 && a<=50) {
**  ** **   * *    ** *** **** *** *  *** * * *   ***   *  *   
**   **   * * *****  *    ***  * 
  ****   *   * *  ****  * * ** if(a>50 && a<=60) {
***    *** ** **    **  *** **   *  ***  *** *  * *    ** * 
 *  * * * *   ** ** ** 
*** *** * * * **       ****** if(a>60) {
*  *   ** **   * *      ***  * *   ** **** ***  * *** ** 
******  ****  * ** * * ****  *
 **  **** **   * * *     * ** ** *    * %.2f", b);
}
answered
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()
{
    *  ** *   * *  **  *  * *  *  x,y;
**** *  **   ***   * * * * *  ***    * *  ****** *

 ****** *            ****** * * * ** * ****   
  *** * ** *  **  *   ******
*     ***  ****   *  * ***   *  *
 *   * *  *** **** * *** * *  ***

*** *  **  *   ** ** * *  *** if(x > 30 && x<=50)
 *  * **  ***** ** **  ** * * **
   *  * *     **   **    
**  *     *  ***  *       * **** *    *
   * ***** ** *   ****  * 

 **  *  * ***  *     ****  if(x>50 && x<=60)
    {
   ** **** *  * * ** *  ***** 
   **   ***  ** ***  *  * * * ** ***    
 *  ** *** *        ***  *      

*   *    **    **  ** **    * **  * ***
* ** ***  *** *  ***  ** **
** ****  **         ****   
 * ** ** **  *      * ** *   **   ***** * ** ***  * ***
*** ** * *     *    ****
  *  * ***** *  ****   *   **   * * %.2f",y);
* **  *   * ****  * * *** * *  0;
}
answered by (54 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 (void)
{
  ** *  *****    *  *  **  a;
*** ***  ****** **  *** *****  b;
*  * *  *  *** *** ** ***  *    **** ***    ** ** ***
* *  *      ****     **      *  *** ** ** ** **  *     * 
*  *  **   *  ****  ****  *    **      * * *    ** ** * * 
    }
 **  *  ** *** * * *    * *  **   * * *  ** * ***   *    ***
   **   **  *    *   *  ** * **   * *    * * *****  *   * 
    }
*** **  *     * **   **   * *     **     **  *   *  **** * 
  ****** * *   ***     ** *** **    ** * *  **    *
    }
*     *  *  **  *** * ** *** *    *  *
* * * * * *   ** *  * ***   * *      * **  *   * * ***      
      **     * * * ** * *  ** 
 **  ***        ******  **** *  ** ***  ** %.2f",b);
* *   *  * * ********* * *** 0;
}
answered by (-204 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 (void)
{
 ** *     * **  **  ** * * a;
**  ** *  ****  ***  ** *   *  b;
 ****     **  * *  **  * * ** ** * * * **    **   *  ** *
** *   * * *****  ***    * * **  *  * ** ** ***   *  * ***    * *
 * *   ***** * * *  **  * * *** *  *****     **
    }
*  *   *   * *     **   *   **  *  ** *   * *   * * 
** *  **    *** * * * *    * ** *  * *  **** *  ***   *** *  
  ****  ** *  * *  *  * *****  
*   ****  *     *   *   ****  * *  *   *** ***   * * * *** ** **
 ***   *** ****    * *     *   ***** **    ** ** ***
    }
* **    ****      * * ** * *    * *** 
*  *  *  *   *      *  * *     * ** *   ****     ** **
    }
*****   ***  **  *        *** * **  ***    **  *****  *
   *     *** ***     **  **  ** 0;
}
answered by (-204 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.214.205
©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 | 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users