10-12 Exercise: A water supply company

1 like 0 dislike
9.9k 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 | 9.9k 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:172.69.17.154
©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 | 7.9k 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 | 7k views
12,783 questions
183,443 answers
172,219 comments
4,824 users