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:172.69.130.74
©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