10-12 Exercise: A water supply company

1 like 0 dislike
13.8k 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 | 13.8k views

91 Answers

0 like 0 dislike 
Hidden content!
  * *  * ** ***  
int main()
{
 ***       ***** x,y;
*     ***  * *    ** ** ***** ** *  
  ** **   ***  * ********* * *  * *  *  * * ****
  {
 *   * ***  *  **  *    ***    *  *****  * ***   ** 
  }
 * **** *     *     ***      *** *   ** * **   *    * 
  {
**** * * **      * *   ******  **   ** ***    *   *** 
  }
   ***********   ** * *       *** **  **   * * * 
  {
 *  ** * *  *** ** *  **** *   ***     * *     
* * **  ** *** * 
 ** * ***** *   *  if(x>=60)
 * ****   *  **
*   ****  * ****    *** **   ***** *  * **     *
  *** *****  
 * *  ** *  **        * **** %.2f",y);
**  * *  ** ** *   0;
}
answered by (-255 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(void)
{
** ** ***** ****  **  * **    x,y;
   ** ****      **** ** ** **  *  ** **    ** **    * ** * 
*     ***  ***** * * *   (x<=30)

***  ** ** *** *   *** *  **  * *

** ** * * **       * *  * * * if (x<=50)

 * * * **   * ******** ** *** *     * ** **

**  **  ******* *  ******   * if (x<=60)

     *****  * *** * ** *  *   *  *  * * **  **

*** ** * *   ***   * *  ** *  

 *    *** *   ***     *  ** * ***   *** *** 

 *  ***  **  * ** ***  ****  *   ***  **** * %.2f",y);
**  * * *  *    **** *  ** *** ***** 0;
}
answered by (-196 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: Wrong output
Case 1: Wrong output
Case 2: Correct 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 1
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_20cb, next_10cb, ***   ** *** *
*      * *** *  * * ** * *     *  ** *  &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
prog.c: In function 'main':
prog.c:5:61: error: unused variable 'total_amount' [-Werror=unused-variable]
    float  x, first_30cb,  next_20cb, next_10cb, add_metercb,total_amount;
                                                             ^~~~~~~~~~~~
cc1: all warnings being treated as errors
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main(void)
{
*   * * ****  *****  *  * ***   x,y;
    * **  **  **    *   * * * * *  **** *  * ** * *  
 *    *  *  * **  **  *  *  ** (x<=30)

 *   **   * * * ******* *  * * * *

 *   **  ** **  ** *   * **         if (x<=50)

 **   * * ** * ** ** **  *  *  *   **  ** *

** *  *   * *  *  ******** if (x<=60)

  ***  **  ** *  ***       ****  *  ****   ** 

*   * *      *  * *      * **

**  ** *  * *  *   * ****     * **       ***  **** * ***

*** ** ** ****  ****      **  ****   *  *  * ****
 ** *  * ** *   *     * ** * 0;
}
answered by (-196 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>

int main() {
*  * **  *** *****  *** * * **** a;
**** *** ***   * ***    ***     ** *** **  * * ** &a);
**  ** ***  ** **   *  *     * ** b;
 * * ** **  **  * * ***   **  *    * ***** {
 * ** *** ***  *******  *      *  **    * ** * *  ***   *  **   *
* *   *** **   * * *  ** **
*  * * ******* *  *  * *** ** * if(a> 30 && a<=50) {
* ** **** * *      * ** *  *  ** *   ** *  ***   *  **** *** **  ** **  
  * **  * **** *   ** * **  * ** 
 * *  *** *  *  * *    *  *  * * *   if(a>50 && a<=60) {
**    **   * ***   ****** *  *****       **   *  *** *        *
 * *  ** **  ***** *  ** *
* *******  * * * ***  ** **   **  if(a>60) {
* ** *** *****  * *    * ****  *** ******  **  *   ** *** *****    
** * *  *  * ** * ** **   *
 ***** *** ** * **** ****     * **   * * %.2f", b);
}
answered
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()
{
  ** ***  *   ******  **** *  x,y;
****  *  *  *  *   *   ***  ** *** **      * ***  ****   * **

 *   ** **            *    *** **   *
 ****** *  **** **     ** * 
 *** ** * ** * ********   * * 
 *  *  *** ****** *  **** 

**   *    *  **   ** * * *** ***** if(x > 30 && x<=50)
*     *  * ***  ***    ***
***   ** * * * * ***  *        * 
 * * * * * ** ****  **** * ***   ***  *
**** *  *    ****** **** *  **

 ***    *  ** *  ** * *   **  * if(x>50 && x<=60)
    {
 * ***   *  ****** * *     ** * 
 ** * ***     * ***  ** ** **** ** *****
**  *** **  *     **  ** ** 

    ****   *  *  * *  * *  * 
** ***  *    *** *  * 
 *** ***   ** *** * **  *  ** *  
 ***** *******  ***** * * ******** * **  * 
  *** **  * *    *   *****
***  *    * *   *** *** *     **** **   ****    %.2f",y);
  *  * **   *    * * ** ** 0;
}
answered by (54 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 (void)
{
***** **   *****  * * *  * a;
 *  ** ******* ** * ** *** * **  b;
  **  * *  *  * ** ****  *** ** ***   ***   *   *** **  **
*** ***  ***  **  ***       ** ** *      *   * * * *  ** *  
* * **  *    *   ****** * *  **     *         ***   
    }
* **   * * *****   ** ** *  **    ***    **** ****  * ***   * *
*  * * * *  * ******* * *  ** *** ****     **** *  * ** **   
    }
****    * *   * *   *  * ** *  *   **     * **   ** **** ** ***
*  * ******* *    *  *  *** *    *****   **  *  * **   *
    }
 *     *** *       **** *        **  * *  *
****** *  ** *  ***     ********* * * *  **   **** * 
*** * * * **** *** *   *  
*  ****  *   * * **** * * * ** * * ** * * %.2f",b);
**** * ** * * *  **    *   * *  ** 0;
}
answered by (-204 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 (void)
{
   *** * ******   * *  ***  * * * a;
*  * **   **   ***  *  ** **  **  b;
* * * ***  *  **   * **   * ** **** * ** *  *** 
****  * ***  * ** ** **   * ** **  *  * *   *  * *** *
** *  **  *******  *** *  ** * * ** **  * * * * ****    *
    }
**     * ****   * *  * **  * ***** **   * * **   * 
***** *  *     **** *** ****   * * **** * *** *     *   **** * 
 ********      * **  ***  
 * ** *  * ***** ***  ** *  ****   *  *** ** *     *  *
 *** ****   *   **  ***   *****    **  *  *     *  
    }
*** *** * **** ****  **** *     
  ***  ****** *  ***** *** * *  ** ***     * ** * * **** ** 
    }
 *   ***   ******  **  * *   * *     *******   * ** * ****
**** * * *    ***  ** *****     *  0;
}
answered by (-204 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong 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:172.70.100.202
©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 | 11k 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 | 9.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users