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:108.162.216.37
©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