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:172.70.130.20
©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