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