10-12 Exercise: A water supply company

1 like 0 dislike
17.3k 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 | 17.3k 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:172.69.214.39
©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 | 13.8k 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 | 12.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users