10-12 Exercise: A water supply company

1 like 0 dislike
27.2k 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 | 27.2k 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:162.159.115.10
©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 | 21.7k 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 | 19.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users