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:172.69.59.147
©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