10-12 Exercise: A water supply company

1 like 0 dislike
21.2k 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 | 21.2k 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:172.70.80.197
©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 | 17k 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 | 15.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users