10-12 Exercise: A water supply company

1 like 0 dislike
28.3k 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 | 28.3k 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:104.23.243.108
©2016-2026

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 | 22.6k 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 | 20.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users