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:172.70.131.161
©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