10-12 Exercise: A water supply company

1 like 0 dislike
26.8k 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 | 26.8k 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:104.23.243.109
©2016-2026

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 | 21.4k 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 | 19.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users