10-12 Exercise: A water supply company

1 like 0 dislike
19.3k 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 | 19.3k 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:172.69.130.52
©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 | 15.6k 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 | 13.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users