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