10-12 Exercise: A water supply company

1 like 0 dislike
3.8k 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 | 3.8k 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:172.70.127.44
©2016-2024

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 | 3.4k 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 | 3k views
12,783 questions
183,443 answers
172,219 comments
4,824 users