10-12 Exercise: A water supply company

1 like 0 dislike
9.9k 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 | 9.9k 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:172.69.58.250
©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 | 7.9k 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 | 7k views
12,783 questions
183,443 answers
172,219 comments
4,824 users