10-12 Exercise: A water supply company

1 like 0 dislike
11.7k 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 | 11.7k 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:172.70.130.241
©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 | 9.4k 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 | 8.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users