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:172.71.254.251
©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