10-12 Exercise: A water supply company

1 like 0 dislike
17.7k 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 | 17.7k 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:172.70.127.116
©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 | 14.2k 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 | 12.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users