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!
 *    *   * ******* 
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:108.162.241.33
©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 | 15.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users