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:172.69.58.74
©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 | 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users