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:104.23.197.95
©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