10-12 Exercise: A water supply company

1 like 0 dislike
28.3k 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 | 28.3k 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:104.23.197.95
©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 | 22.6k 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 | 20.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users