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:108.162.216.188
©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 | 9.2k 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