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