10-12 Exercise: A water supply company

1 like 0 dislike
26.3k 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 | 26.3k 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:104.23.197.95
©2016-2026

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 | 20.9k 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 | 19k views
12,783 questions
183,442 answers
172,219 comments
4,824 users