10-12 Exercise: A water supply company

1 like 0 dislike
23.7k 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 | 23.7k 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:162.159.115.31
©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 | 18.7k 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 | 17.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users