10-12 Exercise: A water supply company

1 like 0 dislike
13.8k 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 | 13.8k 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:172.69.59.26
©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 | 11k 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 | 9.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users