10-12 Exercise: A water supply company

1 like 0 dislike
11.7k 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 | 11.7k 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:172.69.58.2
©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 | 9.4k 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 | 8.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users