10-12 Exercise: A water supply company

1 like 0 dislike
13.8k 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 | 13.8k 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:172.71.255.42
©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 | 11k 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 | 9.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users