10-12 Exercise: A water supply company

1 like 0 dislike
17.1k 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 | 17.1k 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:141.101.76.85
©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 | 13.7k 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 | 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users