10-12 Exercise: A water supply company

1 like 0 dislike
19.7k 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 | 19.7k 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:172.70.80.21
©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 | 15.8k 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 | 14.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users