10-12 Exercise: A water supply company

1 like 0 dislike
11.4k 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 | 11.4k 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:172.69.58.70
©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 | 9.2k 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 | 8.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users