10-12 Exercise: A water supply company

1 like 0 dislike
23.5k 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 | 23.5k 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:162.159.115.32
©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 | 18.5k 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 | 17k views
12,783 questions
183,442 answers
172,219 comments
4,824 users