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