10-12 Exercise: A water supply company

1 like 0 dislike
11.7k 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 | 11.7k 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:172.70.130.241
©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 | 9.4k 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 | 8.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users