10-12 Exercise: A water supply company

1 like 0 dislike
21.1k 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 | 21.1k 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 | 17k 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 | 15.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users