10-12 Exercise: A water supply company

1 like 0 dislike
9.9k 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 | 9.9k 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:172.70.127.194
©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 | 7.9k 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 | 7k views
12,783 questions
183,443 answers
172,219 comments
4,824 users