10-12 Exercise: A water supply company

1 like 0 dislike
21.8k 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 | 21.8k 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:172.70.100.198
©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 | 17.4k 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 | 15.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users