10-12 Exercise: A water supply company

1 like 0 dislike
17.2k 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 | 17.2k 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:108.162.216.235
©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 | 13.8k 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 | 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users