10-12 Exercise: A water supply company

1 like 0 dislike
11.4k 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 | 11.4k 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:172.69.58.71
©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 | 9.2k 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 | 8.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users