10-12 Exercise: A water supply company

1 like 0 dislike
26.8k 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 | 26.8k 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:104.23.243.109
©2016-2026

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 | 21.4k 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 | 19.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users