10-12 Exercise: A water supply company

1 like 0 dislike
3.8k 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 | 3.8k 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:172.69.6.175
©2016-2024

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 | 3.4k 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 | 3k views
12,783 questions
183,443 answers
172,219 comments
4,824 users