10-12 Exercise: A water supply company

1 like 0 dislike
20.8k 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 | 20.8k 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:172.70.126.17
©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 | 16.7k 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 | 14.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users