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