10-12 Exercise: A water supply company

1 like 0 dislike
21k 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 | 21k 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:172.71.254.105
©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 | 16.9k 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 | 15.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users