10-12 Exercise: A water supply company

1 like 0 dislike
17.3k 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 | 17.3k 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:172.69.214.39
©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 | 13.8k 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 | 12.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users