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