10-12 Exercise: A water supply company

1 like 0 dislike
26k 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 | 26k 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:162.159.115.10
©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 | 20.6k 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 | 18.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users