10-12 Exercise: A water supply company

1 like 0 dislike
17.3k 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 | 17.3k 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:172.69.214.178
©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 | 13.8k 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 | 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users