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:172.71.255.66
©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