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:172.69.59.117
©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