10-12 Exercise: A water supply company

1 like 0 dislike
17.2k 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 | 17.2k 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:172.69.6.45
©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 | 13.8k 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 | 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users