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:172.69.7.152
©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 | 9.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users