10-12 Exercise: A water supply company

1 like 0 dislike
21.8k 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 | 21.8k 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:172.70.100.198
©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 | 17.4k 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 | 15.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users