10-12 Exercise: A water supply company

1 like 0 dislike
25.3k 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 | 25.3k views

91 Answers

0 like 0 dislike 
Hidden content!
#include    **  *  * 

int main()

{
  ** *       ***  * ** **** n,sum;
      **    * *     ****  *  * * * * * * ** *  * ** * *

 ** *  *  ** * ** * *    * (n<=30)
** * * * ***    *  *   *      **     **  
   *     *    * * *   **  * ** *** %.2f",sum);}

    ****  ***       *  *    * if (n<=50)
** **     **  **  ******* *     *   * 
*   *  ***  *  ** * *  ** ** ** ***        * * %.2f",sum);}

 *    **  **   *           *****   ** if (n<=60)
 ** *  *  ** ** *  *   *  * *  ** **  * **  * * ** *  *  **
** *** ***  ** * ** *** ** *  ** * *   *  %.2f",sum);}

    * *   ***    ** ***     
  * ** *** * ****  *** *  **  *  *  * * ** * ********
 * * * * ** *** **  **   *     * *   ******* *  *  %.2f",sum);}

    ** * ** **   ****  ***  * 0;

}
answered by (-249 points)
0 0
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()
{
 ******     *  ****** ** * ***  wc;
**   * *  *  **    *  ** ** * total=0;
*  *  *****  * ***** ** *  *  ** tab1;
* * *    *  *  * *      ***    *   *  tab2;
*     *   ** * *     *  *** **  nt1;
   *  ****   **   *   * * * * nt;
 
** *  **  * *   ***  **    **** ***  ***  *  *     *   
    
  * *  *   ****   **** *  (wc<30)
    {
*    *  * **** * ***** **  **   * *  ** * ****** *      *  *** * ***
    }
    
* *  * ** ****    *    *** *** * * **  *  *******   * * ***** ** 
  ****  * *   **  *  **   *  *  
 * ** *** **  *** **  *     * **  * * * * ***        ****    ******
**  ***  ***  * * *  * **** *   *  **  ** *  ** ***  **
  ** ** *** **  **** *** ** ******* *  ** **  **  *  **  (nt>20)
* *   *  ** *  *    **  **  ****   *   ** * * *   **  *
*** *  *       ** ** **  *  **  **    * **  ****      * * **   ****  *** * *      *  **** **** * ** **
*      **  ******* *       ********   *** ****  * *  *  
 * *** *****  ***  *** ** ** * * ** *   *********** 
*     ****** **  ** ** *   *  * **  * **   **********
* *   *   **      *    * ** ***  ***   ** *     *   ** * ***   * ** ***     * *** **  * 
   ***  ** *  *****    *  ** *** * *** * *******      *    
*        **  ********   ** *** * * *        ***   **      * * *
    }
    
   * * * * * *  ** *****    *         ** *    
    *** ** ****** * ** * ******** 
 * **  *  * *** *   ** **** *   **  ***   ** ** * ** *  *       * **  * **    ***  * 
** *  * * *   * **       ** *** **  *   **  *****   * * *    ** * ***    *  *** ** **   *  * * ******     **
 * *** **** *  ***** * *  *    * **  *  *
    
* * **  ** *  ***** **  * *  * **   *    *  * *  %.2f",total);
   
 * *  * *********   * **    * * 0;
}
answered by (-193 points)
0 0
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()
{
*   ****** ** * *  *  * *    wc;
 *   * *  * *** * *  **** *  total=0;
***** **  *   * ***   ****      tab1;
 ** ** * ** ** * * * ***  * * ** tab2;
    ** **  **   *   ***    nt1;
 * *   * ** **    * *   * *   *  nt;
 
*  * **  ****   * * *  * *  * **  **   ****** *****    **   
    
 ** *    **  * *  ***  *       *** (wc<30)
    {
* **** ** *  *   *** *** **  * ***  *   * ** * *** *   *** *  *** 
    }
    
  *  *         *        ** * **     ** *** **** *  ***** *   * * **  
    {
** **  * *  *** ***  *** **  ***  ***** *     ********* ** **
   * ** **      **** ***  * * **** ******   * *  *** * **
 *****      **  ** **** ***  ******   *  *     *******     (nt>20)
 *      **  ****   * **   **   *   *  *** * *  *      
 ***  *** * ***  **** ***** *  *   *       **  *** ** * ****** *** * *   ** **   *  ***** *  * *****  *** ***  
 * * *    * * ** * **   *  *   ** * **    ** ****  ***
*** * *  ** ** *    * **** **  **  * *  * ** *    **
    *     ** ** *******  *******   **  ** ***    * * *   **  
 *    *   ** **    *  * **  *  *** ** * ** *   * *     ****** * **  ** * **   * ** ***
* *      **** **** * **    ** **   *   ** **  **  *  *   *
* *******  *** * ** *  * ******  *  ** **    * *  *    *  **    * * 
    }
    
*  ** *  *  ** * **    *  * ***    *  * ** 
 **  **   ** *  *  * * * ******  ****  ****
   *** ** *  ** *  * *** * * * **    *** **** ** * * ***  ** * ** **  *     *****  **
* *  *   **    ***  *  * * * * ***   ***  * **   ****** * **  ** * **  *   * *    *  * **  **      
* **  ** **    **  ** * ******** * * *
    
**   **   * * *  ****  *        *** * ***   ***** **** ****
   
 *  ** *  ** *   *  * * **   **  * 0;
}
answered by (-193 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()
{
* *  * * *       **   * **   **  wc;
* * ** *** ** *  **  ** * **  total=0;
  *  * **  **   * ****      tab1;
*  *         **    *  *  **   tab2;
   *     ** ******  *** ** ** nt1;
** * ****   ***** **    *** nt;
 
 * * *     *** * * *  *** * **   *  *****  *   * ******* *  *****
    
* **   * ***** *  **  ** **** (wc<30)
    {
*** **** ** *** **  *  * * ****  *  ***  * * * **   * * * ****
    }
    
   ** ** *  ***  ****  **   *     ** * * ** *  ***  *   
    {
**  **  *  ***   * ** * ***** *    *     ** **    * *   *  ** **  *
  * *   **  ** * *    *  *   *     * * ** ******    *** *
 ** ******* *** *  *   *** * *   * * *****   * *** ** ** *  (nt>20)
   * * *  *** * ******   *  * ***   **  *  * * ** *   * **
      ****  * *  ****  **** **    * *   ** *  * * * *  ** *** *   *  *** * * * *** ****  *  ****** ***
*    ******** *** **** **       * ** *  ****** *     *** ***
  * * * *** * ** *  **  ***  **   **  ****  * *  * * *
 ******* **   *   **  ***** * *********   * *** ***  *** 
  * **  *   *    *  ** *   *   *  *   * *   *   *   *  ***  *   ** ****  *** **  
*    ******* ***** ***  *****   *  * ***  * *     * ***    
  ** * **   *  *    *   **  **   * *  **   *     **  *  **   * *
    }
    
    * ***** **  ** **  * *  ****  **  ***  ****  *
 *  *   * * *  **     * * * ***  *  ** ***
 *    *** * ***    * **    * ***** **  ***  *  *** ** * *** 
 **  ***** ** * ** **  * **  **  * ** * **   ** ********* ***   *    ****    *****  * *   ** ** *** **
 * ***   *** *   *   *  *   * * * ****** 
    
*  *  *** * ** *    **  ** *  **  * * ***  ** * **    *
   
   **  * ***** **  **   ** ** * * * * 0;
}
answered by (-193 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()
{
** *    **  *  * *  * *** **    * unit;
 *** *** ** * **** *   *** * **  **** ****** total_amt, net;
    * ** *     * *  ***  ** ***
 *******      ** ** **    ** *  * ** ** * &unit);
 * * *  ** ** * *  * *
**** *      ** ** *   ** ****
 * ****  *  *  * ****      *  *  <= 30)
*  ** ** *     ** **  ***   *** 
    ******* ** * *** *** * ***  *  *  *  *  *   **  *** * = unit * 0.60;
   *   *  ** **    ***   *    
*  ***** *   *  * *   * **  **
*** ** * *    *      *    * * ***    if(unit <= 50)
    *  ** *** ** * *   *** 
*  * ** * *    *   *  * ** *   * ** ****  ** *  ** * *   = 18 + ((unit-30) * 0.80);
*  *  **   *  * * *** ***
** *  * * * ***     **    * ***** if(unit <= 60)
 * *    * ** * **** *  ***    
    **  **   ***    * * *  *** ** ** **  ***   * = 38 + ((unit-50) * 1.00);
***   *  *   *** ** *     **  
 * * *   ** *  ***    **  *  *** if (unit >60)
*  ** **  **  ***  ** * ** *** *
  **  *  **   *** *  ******* * *  * **   ****  **   ** *  *** =  44 +((unit-60)*1.20);
  *  * ***  * *   *** *  ** *
     ** ** * **  *   
***     ** *** * ** *** *  = amt1+amt2+amt3+amt4;
    ***** *** ***  * *  ** *  
* ***     ***  * 
*    **  *   ** * * * *  *  *****   = net+ 10.00;
**** **** *    *** ** *  *
* *     *  *         ******** ** *  *  *  %.2f", total_amt);
 *   *** *  *** ** * * * * 
*  *  **** * *   ******* *  * ** * **  0;
}
answered by (323 points)
0 0
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 **  **** * ***
int main ()
{
*** *  **   *******  ******** *   waterUsage;
** *  *  ***** *   *  * cost;

* ** **   *   *   *  * **  *    *** * *     **** * *  *   ***** 

    *    **   *  *** *  ****      ** * **  *  *** *   *   *       * * ** *  *
 *  * *** * **     *   * ***** * * * ** * ****  * * = (waterUsage * 0.6)+ 10;
      ****** **  * **** *** ***  (waterUsage >=30  ****** **  waterUsage <50)
*    *   *  ***    * ** * * **    *  ****  ****   * * **  = ((waterUsage-30)* 0.8)+(30 * .6) + 10;
*  * *   *  **  **     *  *** * **   *  **   * *     **  * **   * 
  **   * *    *    **   * **** * * * **** *  *   = * ***** *     (30*.6) + (20*.8) +10;
** * *  ***       * *  *** * *    **    *********  
  ** **** ** ************    * ***    *** * * *   ***** * * =  ** * **      * *   *****  *  * + 10;
   * ** * **   *   *****    * * * *  ** ***   %.2f", cost);

}
answered by (-167 points)
0 0
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 **    *  **   *  
int main ()
{
 ***  ** *   *   *   ** *  *  waterUsage;
*   **  *  * **    **  * *  *** cost;

* ** * ** ** **  * *  *****  ****     ********   **  *   *     

*** ** **   *    * *  *  * **  **** **** ** * &&  **   * *
*   **    ** * ***  **      * *     ***   *  ** * ** ** **** = (waterUsage * 0.6)+ 10;
***   *   *** *  * *   **  (waterUsage >=30  * *   ** * * waterUsage <50)
**    ***  ** *** * *    *  * **     *   ***   * ** = ((waterUsage-30)* 0.8)+(30 * .6) + 10;
 * *  *****   * ** ***      * *** **  *    *  * *** *  **  * ** ****
    * ** ** *   * ***   ***  * *  * *   * ****  *  ****    * *** = *    *    *  (30*.6) + (20*.8) +10;
   ***  *  *   *  ***  ***  *  *   *  *  *
* *  ****   ** *  *   * *   ***** * *  * *  ***   ** *   = * * * **    ** ****** * *   *** ** + 10;
 **** ** * ***    *** *****   *   * ** *  *  * *  cost);

}
answered by (-167 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
***     * * * ***   
****   *      *****  

int main()
{
***    * *   **  **** * ** ** *   a1;
* *  *        * *   ** **  *** *    ** ****    * *** * ** 
*  ** ****** ** * * *** ** *     * < 30)
 *    * *    **      *     ** * * * * ** ****     ** * *** **   *** **   ******* *    * *     *

**   * * *   ** *****  * * *   *** if(a1 > ** *******     < 50)
      **  *    **  * **** *  ** *   *     *  **   *   *    *   *       * * *  * * 0.6+(a1-30)*0.8)+10);

*    *  *    * ****  * *  **  if(a1 >  **   * ** **   * < 60)
  *** ** *  ****  ** * *  * **** * * *  ****  * * * **** ** **  * ****  **  * 0.6) + (20 *0.8)+(a1 - 50)*1+10);

  **** ****** **  ** *   
* * *    ** ** ***   * *  *** ** * ****    *  ***     * ***** **  *  ** ** *   *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10);
* * **  ** *****   *  
return 0;
}
answered by (-141 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 0
please remove all newline at the end, it makes your program have wrong output
commented by (12.1k points)
0 like 0 dislike 
Hidden content!
       *  ** ** ****  
* * ***** * *  ***** *

int main()
{
 * ** ** ***** *  * *** *  *   a1;
* ***  **** *  * ***  * ***  *    **  **  *
  * **      *      *    *   *  < 30)
*** *** *  *** ****    *  *       * **  ** ***      * * * **   * *** *  ***  **** 

* ** * * ****   ** ** ** *   if(a1 >  **   ***    < 50)
  * *   ** *     *** * *   * *      *  *** *      ** * ** * * **  * ** ***** *    *  *  *    * *  **** 

********  *    *******    *  if(a1 >     *  *** *  < 60)
** *  * *** ** * *  ** **      * *** *     * **  * *   ** ***   **    *  %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 50)*1+10);

***  **     **  *    ** ** *  *
     *  *  * ***  * ** *** ** * **  ** *** * *** **   * **** * * *  *** **  *  *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10);
*    **** * ** *   ***
return 0;
}
answered by (-141 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
*   ******* *  ** *
    * **  **** *  *

int main()
{
  *  *    * * * *  ** *   a1;
* *  *** * * * * *******        **   *   **    * *   
   ** *  *** * * *  *  *  **   *  < 30)
*    *  **********   ***  * *   *   **    **   * *    **   *** *  **    * *** **** *   

* * * * ** * * ****  *  *     if(a1 >  **** ** *  **   < 50)
    *    * ******   * ****** ** * *   *** *  *  *******    *  * *  * *** **** ** ***** **  *  *    * ***** *

  *    ** * **** *  * * * *  if(a1 > **    * * ******  < 60)
**    ** * * *  * * * *          ***  ** *     *** **  ****** ***   %.2f\n",(30 * 0.6) + (20 *0.8)+(a1 - 60)*1+10);

 *  ** * **** *** *** ** ** 
** **   *     * *    *** * **  ** * ** *   ** * *    * * *** *  ** * *   * ** *0.8)+(30 *0.6)+10+(a1 - 60)*1.2+10);
   **** *** *** **      *
return 0;
}
answered by (-141 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.65
©2016-2026

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 | 20.1k 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 | 18.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users