10-12 Exercise: A water supply company

1 like 0 dislike
11.4k 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 | 11.4k 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:172.71.255.65
©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 | 9.1k 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 | 8.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users