10-12 Exercise: A water supply company

1 like 0 dislike
14k 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 | 14k 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:172.70.126.169
©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 | 11.2k 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 | 9.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users