10-12 Exercise: A water supply company

1 like 0 dislike
25.9k 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 | 25.9k 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:104.23.243.108
©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 | 20.6k 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 | 18.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users