10-12 Exercise: A water supply company

1 like 0 dislike
22.2k 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 | 22.2k 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:172.71.254.105
©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 | 17.7k 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 | 15.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users