10-12 Exercise: A water supply company

1 like 0 dislike
24.1k 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 | 24.1k 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 | 19.1k 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 | 17.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users