10-12 Exercise: A water supply company

1 like 0 dislike
17.8k 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 | 17.8k 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:172.70.80.171
©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 | 14.3k 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 | 12.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users