10-12 Exercise: A water supply company

1 like 0 dislike
21k 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 | 21k 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:172.71.254.105
©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 | 16.9k 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 | 15.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users