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:172.69.58.223
©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