10-12 Exercise: A water supply company

1 like 0 dislike
23.2k 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 | 23.2k 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:162.159.115.32
©2016-2026

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 | 18.4k 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 | 16.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users