10-12 Exercise: A water supply company

1 like 0 dislike
11.4k 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 | 11.4k 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:172.70.130.40
©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 | 9.1k 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 | 8.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users