10-12 Exercise: A water supply company

1 like 0 dislike
17.2k 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 | 17.2k 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:172.69.6.120
©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 | 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users