10-12 Exercise: A water supply company

1 like 0 dislike
14.4k 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 | 14.4k 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:172.69.7.229
©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 | 11.5k 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 | 10.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users