10-12 Exercise: A water supply company

1 like 0 dislike
25.2k 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 | 25.2k 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:104.23.197.64
©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 | 20k 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 | 18.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users