10-12 Exercise: A water supply company

1 like 0 dislike
13.8k 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 | 13.8k 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:172.69.17.203
©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 | 11k 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 | 9.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users