10-12 Exercise: A water supply company

1 like 0 dislike
24.1k 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 | 24.1k 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:104.23.243.108
©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 | 19.2k 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 | 17.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users