10-12 Exercise: A water supply company

1 like 0 dislike
11.7k 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 | 11.7k 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:172.69.58.2
©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 | 9.4k 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 | 8.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users