10-12 Exercise: A water supply company

1 like 0 dislike
9.9k 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 | 9.9k 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:108.162.216.199
©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 | 7.9k 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 | 7k views
12,783 questions
183,443 answers
172,219 comments
4,824 users