10-12 Exercise: A water supply company

1 like 0 dislike
21.4k 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 | 21.4k 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:172.70.100.198
©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 | 17.3k 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 | 15.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users