10-12 Exercise: A water supply company

1 like 0 dislike
23.8k 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 | 23.8k 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:104.23.243.165
©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 | 18.8k 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 | 17.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users