10-12 Exercise: A water supply company

1 like 0 dislike
18.6k 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 | 18.6k 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:172.70.38.222
©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 | 15.3k 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 | 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users