10-12 Exercise: A water supply company

1 like 0 dislike
17.3k 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 | 17.3k views

91 Answers

0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main(){

    float a,b,c,d,e;

**   *  * *** * *   *   * ***  **  ** *   *  * **  ***  ** * *
* ** *** * ***  **  *  *   * * * * 
 ***** ** *****    * * ** *** ** ****  *
****      ***    * ***   *     *
*** ***   ** ***** * * *     **    *  * ****

* **  * ****  *   *    * * **  **   *** * * ** * *  * **   
 ** **  *** * *   ** **  *  *    *       **** ** **** *** ***** **  *

*   *     ***   * **  *    **    **    ****  ***  ** *  **** ** && a>30){
 *** *****  ***  * *** * * *  ****  *   ***  **  *  *  *      *    *  **  *  * ****

*** **** * **  ** * *  ** **     * * ** * *   *** ****  *   && a>50){
*   ***** ****** *** * ***   * ****  * **** * **** *   ** **   * * ***  ***   *

* *  *** *   *  ** *   *** * * *** * * ** * *  **
  **    **  ***   *   *    *  *    *  * ******* * **** * ** ****  * ** *  ***










    return 0;



}
answered by (-301 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
  ** *  * *****  **  *  *     a;
 *** * *  **   ****  *** * *  * ** **** *   ***  * *   * *  **
** * *      *  **  **  **  * *  **  *   *
***    *** * ***    ** *     *  * ******* ***  ***    ***   **  ** %.2f",a*0.6+10);
  *** *** * * *  ***    * * if(a<=50)
 ** *  **     **   * ****  *    *  * * *** **    **   **** *  *** *  ********* %.2f",(30*0.6)+(a-30)*0.8+10);
*    ***   *  **** **      if(a<=60)
  * **       * *** *  **   *  **    *  **** *   ****** *   *** ** **    * *  *  * **** *  *  *  *     
  * *********** *    **   *  *  ** **  **
* *  *****   *  *** * * ***    ********* *******  *  *   *  * *  *    *    * ** ** * *** *   **    *   
 ** * ***   ** * * *  *****    *** 0;
}
answered by (-258 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
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 ()

{
 **** ********  * **     * ** userinput, a, b, c, extra;

 ***  **    **  *  ** ** *  *    * * **  &userinput);
***  * **  ***       *** (userinput<31)
   ** ** **  * ** *  ****   ** ****
  *  ** *** * **   *  ***** *  * *   *  * *   * ****** ***** = userinput * 0.6;
 ** ** *      * ***** ** * * ****** *   ***   * * *     **** *** * *  %.2f", a+10);
* * *  *** **  *     * *  * *
 ** **   * ** *  ***  ***  *  if (userinput<51)
   *   * * **       **   * *** 
 ******** *  *  *  **   ** *    *  *  ***    * * * *  = (userinput - 30)*0.8+30*0.6;
 * *  ** * * **   ** *  **** *    *   ******************* *    ***    *** %.2f", b+10);
*  *      **  *  ***** *  
  * *** *    *** ***  **    **** if **  * *  * 
**** * ** * **** *** *** ***
 * **  *    *  **  *** ** ** ******  *   *      *   = (userinput - 50)*1+30*0.6+20*0.8;
** * * ***** * *    *** ** * * *** **    *****  ** ** **   %.2f", c+10);
*  * **  *  *  *  * *    **  
    ***    *** *    * * ** ** 
   *      *   * * *****     * 
 ** **   *  *   * *   * *  ***   *   *  ** *  = (userinput - * ***  *  ****   * *
      **  ** **      ***   * *  *   *  ****  *** *   * **  **      %.2f", extra+10);
*  *** **  *  ***  *   **


 ***  *    * *    * * *   *       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
0 0
-----------Re-judge-----------
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!
   ****  * * * *   
#define FIXED_AMOUNT 10
int main()
{
    *       * *  ** **   x, first_30cb, **** ** **  *** next_10cb, add_metercb;
* * * *  *  ******* ***   * * **** ** **    &x);
***** *  * * *  * ** * *** (x<31)
**** ** *  * *** **
*    * *  **   **    ***  *    * *  * *  ** ***  **  *    = FIXED_AMOUNT + x*0.6;
  * ** *  * *** *  ***** *   **     * ****    ** ** * ****    *** ***  *  *  *   *   *   *
 * ** *  ***  *   * 
* ***** ** *      * **    if (x<51)
  **      * *  *****
***  ** *   **  * **  * **   * ******  *        *****  ***    = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
*  ** * ** **  **  ** *** ** * *  * ***    *  * *    **    ** * **   *  
  * *  * *** **  *** 
****   *  ****   **** *    if (x<61)
** * ***   ** **  ** *
*  ****   *****   * *    **     *  *   *      *  * ** = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
 * * ***** *   * *   ** * ***  * *****  * ** **  *** ** *** **      ** *  ** ** ***
 ** *****     *  *  ****
       ***       * ** *
 * * *   ** * * ****** *
*  *  *** * *    **   *  *   * * **  * ** *** *****  **   = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
 *** *    * *     *** * ** ** * * *** *************   * ******    *  **   ** * * **  ** **  *
** ** ***     **   * ****   ***  

* ***   *****   *   *  0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
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(){

    float a,b,c,d,e;

*  ***** * *    *** * * ****  ********  * ****    * **   *
  ***  * *** *  *  *  **** ** **  
* *  **** **  *** *  **         *  ** ****  
**   * * **   ******  *   *** **
 *****  *  * ** **  * ****     ** ** **

** **  * * ** ** ****     ** * *  **** **  **  * *
* **   * *** * *****  ***** *** * * **  **  ****** * * *   **  *** ** * *

 *  *   **   ***  *  * **  * **  ****** ** *** ***** * **   && a>30){
**  *  **    **  * * *   *   * * *     **       *   *** * ***  *** * **   **

    ** *  ****  * *   *** * * *****   **    **  ***** *  ***  && a>50){
 *  *  **** **  ** * **      * **     **  ** **   *  **      ***** ** ** *

  *******  *  ***    *  *****  **** *** *  ********  
 ** * *     **** *   *   *     * **       *  * *  * *   * *** *  **  ***   *   **** 










    return 0;



}
answered by (-301 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
   *   ** **  ** * * *    * a;
 * * * * **  * * **** *** ** * *  * ***  * ** *   *  **** **
 * ** * ** *  ******* ***** *** *
* * **** ***  * *     * * ** *   ** **   **   * * *   ****      * * *** ****  * * **  *
    else if(a<=50)
  ***   ****   * ******  * *  * *** ******     **  ***   *******     *    *  **  *** *    * * ***** 
* * **   * *  **   *  *  *      * if(a<=60)
 *  * * ** * **** *   ***  ***  ***     * *   * ** *   * * * ** * * ** * * *  *   * *  * *  ***      ***
 ** *   * *** *  * **** *** **  ** ** 
* **  *  ******* * *****   *  * *   * * ** **  *      ***** *  *  * ** **** *  **      * *    * * *    *  
 * * **** ** ***  ***  ***    0;
}
answered by (-258 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
  ** * **** *  * *  *

 * *  *   *    ** *  



int main()

{
     * **  *    **  *  *** * total = 0;

  ***** * * *  ******** *  amount = 0;

  * * **  *   ** ****  * ** * * *  ***      *     * *** *

** * ***** *****  *   **     * amount ** * 30 )
**  *  ** * * *  * **  *   ** 
**** *        ****  *** ***  ** ** ** * **     **** ** * *  = amount * 0.6 + 10;
   **    ***   *   ***   **  

**     ****    *** *     * ** ** if( amount *** * 50 )
** ** * ***** **  ** ** **
 ***      *   *    **** * * *    *         ****  * *   * = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
   *    **  *** *** *  **   *  

  *** * * ****  *****   *** * ** if( amount  *   60 )
 * *   *  ****    **** ** * 
 *  ****     **    * **** ***    ** ** *** *  *   ****  = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
 *  *  ** ***  *** * * *  

****    *     *   **  *    * **
 *     * ******* *****  
 *******  *  * * * *  **        **** **    *   * * *** * = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
   **    ** ****  ***    **

**  *  *  **  * **** ** *   *** **    * **  ***   ** 
 ***  **         ** ********* 0;

}
answered by (-285 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
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!
** **    *** ** **   
#define FIXED_AMOUNT 10
int main()
{
********   * *  *     ****   x, first_30cb, * * **   *   * next_10cb, add_metercb;
** *****  *  * ***    ** *  * * *  * * * *** &x);
*  * * * * *  * (x<31)
  *****    *   ** *
**  ***** ****   *   ** *** ***** **  *   * * * *  * = FIXED_AMOUNT + x*0.6;
** ******         ****   * ** * *  **  *** ** ** * ** *  **  **   ***     ** ****  
*   ***  ***  *
* ** *   **** * **** if (x<51)
*** ** *** * ** ** ***
*  ** *    *** *   ** **    ** *  **    *   * **  *  = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
**   ** *    *  * *******   ******* * *  * ****  * *  *  *  *   * **    ** ** * ****
   * * *  **   *   *     
  * *** *  **    *    ** if (x<61)
****  **    **  ** *
* *   **  * **** * *   ******  *****    *  * * ****** = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
  *   *  **  * * * *         **** * * **    *   *  * ** ***** ****** ****** *** *
* ** *    *** *  *   *
  *** **   *   *    * *
*   *  ** *** *** **   ** **  
*   *  **  ** *    * *  *    *   *********    *  **** *  * * * * = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
 ****  * *    **  ****  ***** * ** * ** * ** ****** **** ** **  *   *       *** *  * ** 
** * ******* **  ** *** *  ***  *

*  ****   * **  *** *  0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
**     * * **** *   *****

**  * ***    *   * *



int main()

{
      *     **   *  ***  **   total = 0;

****   * *** * * * ** ******     * += 10;

** * *   **** *  **      *  * *  * amount = 0;

  * *        *** *** *  ** ***  * *  ** * * * * *    * *  

** *  *****  ** ** ** *   *   amount *   * 30 )
 ***** *   ** *    *  * ** *
** ** ** *** *****  *  * *   *   ** ***   * ****     = amount * 0.6 + 10;
    **   *  * *     ****** 

    * *  * **** **  ****** if( amount  *   50 )
*** *     *** ***  ******
 * **  * * *** * * *        * *   *   ** * * **  ** **    = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
* ** *   ** *     * *     

*  *   **** *** ** ***** **   if( amount    **  60 )
* **  ***  **    ** ** ***  
  ***   **  *  * * *  **** ***   ***   *   *  *****  * ** = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
    ** **   **** *    *   ** 

  *  *    **  **   * ** **  * 
**   **  * **  * *  **** *
  ***  *      *  ****   * * * *** * ***    *  *   * *  * * *  = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
 *** *  * ****** * *   * ***

 * *    ****** ** ** ** * *    ** *     ***      ***   *  *   
   * ** *  **  **** **  *     * * 0;

}
answered by (-285 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
********   *** **
#define FIXED_AMOUNT 10
int main()
{
*** * *** ** ***   ***  x, first_30cb,    *  *      * next_10cb, add_metercb;
*   * *  * ***     **  *** * * ****** &x);
 * **    ** * * *** *** (x<31)
    ** *  * *        ** 
* * **     * *  ****   ******* *** ***** ** *  *     = FIXED_AMOUNT + x*0.6;
 * **  **** *****  *   * ** **  * *   ** * *  **** *****  ***  **  **      **   **
* *  *       *** * *
*   **    *   * if (x<51)
***   ** *  *** *  **  **
*******   **  *****    **  * *     **  *   * ** *** = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
   *** * * * *   *    *** * * ** *** *   *  *  *  *** ** *  *****   ** * *  **  
* *    *   **** * * ** *
****   *** **  * ** if (x<61)
****  **  * ** ***** 
**   **     *  ***       ** *** * * *  **  ** **  * *    = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
**** ***   *** **    ***  ** ***** * * ******** *   ** ** * *******   * * ****
 *  **** **    *** ***
*** ****   ** * ** 
*   *   *  *** ***    **  *  
  ** ** * * ***        **** *   *     ****  *   * *** **  * *** *   = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
*  *  *       **  **  ***    * * *        * * ***   *   **  * **  ** * *    *  * * *****
** *** ** *** * **  *    * 

   ** *   **   *** * *** 0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
commented
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.214.39
©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 | 13.8k 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 | 12.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users