10-12 Exercise: A water supply company

1 like 0 dislike
28.2k 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 | 28.2k 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:162.159.115.10
©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 | 22.6k 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 | 20.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users