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