10-12 Exercise: A water supply company

1 like 0 dislike
12.9k 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 | 12.9k 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:172.69.59.124
©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 | 10.3k 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 | 9.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users