10-12 Exercise: A water supply company

1 like 0 dislike
20.8k 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 | 20.8k 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:172.70.126.17
©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 | 16.7k 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 | 14.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users