10-12 Exercise: A water supply company

1 like 0 dislike
11.4k 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 | 11.4k 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:172.71.255.66
©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 | 9.1k 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 | 8.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users