10-12 Exercise: A water supply company

1 like 0 dislike
23.8k 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 | 23.8k views

91 Answers

0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main(){

    float a,b,c,d,e;

 *** **** *  * * *    *  *** *  **    ***** **   ** ****
   *     * **  * *  **  *  * *** * **** 
** **      *  ****** *****   *       * *   
*   **** *   *  *    *    ***  *    *  
* ** *     ** * * * * *      * ** *** 

 * ** * *** * ***  ******    *       ** ** ** ******  * **  * * **
* * ****     **  * * ** **  ** ** * * * * ***  *  *  * * **   **** *    **** **

 * **  * *** *  * ** ** ** ***   **      *  *  * * **   *  *  *  *** * && a>30){
* *****  *    **  * ****  **    *  **** ***   *******   ***   *** * *   *  *  *  

**  ***  **** *  * *   *  **  ** * *   *  *** * ** *    ** && a>50){
  *  * *  *  * ** ** *  *  **** **** *  *   *** * * ** * *   * ** *** * *    *  *     *

* ** * *** ***  *  * * *  ***** * * *  *   ** *  * ** *
 *   ****    * **   ***     ****  ** ** ***  * ****     **   * ***  *  *   *










    return 0;



}
answered by (-301 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>
#include <stdlib.h>

int main()
{
   ** * * ***** *****       *   a;
****** *    *   ****    ** * *   *    *  **      
****  ****     ** * *    *  **  *
 * *  *   * * ***  **** **   *    ** * ** *  *    ** *  ***  ** ***  **  * *** %.2f",a*0.6+10);
     *** **  * *** *     * if(a<=50)
  ** ***  ***  *     ***** ** ** * **  * *  *** ****   ** *** *      %.2f",(30*0.6)+(a-30)*0.8+10);
 ** * * *    **  ** **  * * if(a<=60)
 *  **  **  * *** * *  * * **     **   **  *   *** *** *  ******** *  *      ***** ***  *  * * *
  **** * *    *  ** * **  *** *    *
  ***        *  *    **  *   *  **      *    ** *   ** ** *   *** * **    * ** * *  *  ** *   **  *  **    ** *
*       *       ***  * * * ********  0;
}
answered by (-258 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 ** * ******* **

int main ()

{
 *  ** ***  ***   **  *** **  userinput, a, b, c, extra;

  *  * * *  * *****   ****     ***    * &userinput);
*      *** *      * **   ****  (userinput<31)
   ***   **  ** ** ** * *   * 
** * *  *  * *  ** **  *  **      ** *  * * * ** *  *     = userinput * 0.6;
*  ** *  * ******* ****    ***     * ****  ***  *  * ***  **  * * %.2f", a+10);
* *** **** ** * * *****  **  ** 
* * *****   ******  ***   if (userinput<51)
   *    ** *   ****  * 
 ****  **  **** * ********* *    *   *****  **  **** * = (userinput - 30)*0.8+30*0.6;
 * ** *  * ***** *  * ** * ** ** **** * ***  ***  * ****   *   * * %.2f", b+10);
 *   *   ***** * *  ****    *
* *    **  *** * *      * if **  * ** * 
  *** * * ****     * *** *
 ***  **   *** *** *   **  ****  * ***  **     ****   = (userinput - 50)*1+30*0.6+20*0.8;
 *   ** * * **** *   **** *  * *  ****    **** **    *     ***    ****  *** * %.2f", c+10);
** * *   *****        * ** 
**  ** *   *  * * *** ****** 
* ** *  * *** ***  ** ** *****
******     ***  *    * *** **    *  * *   *    ******   = (userinput -     ******* *****
*   **  *** *  *  * ***** ** *  ** * ****    **  ***** ***  **  *  *   %.2f", extra+10);
*    **    * *  *  **  *  * *** ** 


*    ** **  ** * **   **** *** 0;

}
answered by (-249 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: 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(){

    float a,b,c,d,e;

       **  * * **     * *  ** *     *    **      
* *    ***** ****     * **** *****
 * * *** **  *   **   * **   * * *  * * 
***** ** ***** *  *** *****  * **** * * 
*   **** ** *    ** * * ** *   **    * 

*  * * * ****** **** **  * * **** ****** *  *   * * * *  **  * 
* ***  *  *  **    * **  *  * *    **  * *** * * *    ***  *   ** * *

*******  ***   ****   * *  * ***  ********   * ****  *  *   *  && a>30){
 **      *  * *     * * **  *   ****  ** *    *   *****    ** *   * * *  *   * * ***   ***

*****  ** * ***   *   ** * **    * *** **  ** * *   * && a>50){
  **    ***   ****** *   * ** *    *    *  *  **  * ** * * ***  ***   **  * ** * *

  *  *** **  *  **       * *** ** * **  ****** * *  *  ****  * *** 
 **  * ***   *  ***  * ** **  ***    **   * *  * **** ** * *   ****  ***   










    return 0;



}
answered by (-301 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>
#include <stdlib.h>

int main()
{
* *      * *** ********  * ** a;
 *   ** * *   * *  ***  ***** **  ** *   ** **  * 
**         ***  *******  * * *
 *  *   *  **  **  ****** ** ** **            ****  *   *** ** *  *** **      *** *** ** * 
    else if(a<=50)
 **      * * *** *    ******  * ** ** **  ****  * *  ** * ** * *******    **  *** *  *   *  * * *  
*** *   **  * ***       * *  if(a<=60)
* ***  ** ** * ** ** * *   ** **   **    *  *** **** ***** *     * ***    * *** *  * *  ***  *  *
** * ****   ** **** ** *  *    *  **  **  
 *** *  *   *** * ***  **  ****  **** *    *    *   ****  *  **  ** **  * ***   ***   *   *  * ** ** **
 *   *****      *** * **    0;
}
answered by (-258 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!
 *   **  *** *  *  * *

* * *  *   * *   * * * 



int main()

{
**   **** * *  * ***    **  total = 0;

* *****  * **    ** ** *** *     amount = 0;

 ** **** *      *     * ** **  *     *****   ****  *    *** * 

 * *  **  ** **         *     amount *     30 )
*  * *  *  *   *  **   *     
** *  ***  ***  * *  *    **     ****   * * ** **** *   *   *   *   = amount * 0.6 + 10;
**   ** ** ** *** ***  ***** ** *

*     *  ** * * * *   * **  **   if( amount *** * * 50 )
***      ****   *    **   
  *******   *        * * ** * **   **  * * ** **** *  *  *   = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
** *  *****  *** * *    * 

 *   * **    ** *   **  *  *   if( amount * ****  60 )
*    ** *  **  ** ** * **** 
******* *   * *  * * *  *  * *** ****   *  * *****    = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
* ***** * ***  * **   * ****

* ****     ** * **     * **   **** 
   ******   * *  * **** **   
  *    *****      ***  * * ***  *****      **   ** *   = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
** *     **  **     *  * *  

  ** *   ***       ** * ** **  *** **    **  ***    * *   
** *** **  * * *** **   * * *  *   0;

}
answered by (-285 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: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
*   * * *  **   * 

  * *       ***  *  * *



int main()

{
     *   *  **** * *  *   *** **   total = 0;

*  **  **    ****  *  ** **  *   += 10;

** *   * *  ** * * ** **  *** *  *** amount = 0;

* *  *** *   ** **  ** *** * * * ** *********  *  **   *

*     *   * **   **  * **  *  amount **   ** 30 )
****** *** *  *** ***  ***
 * * **   * ****  **** *  *  **   ******* * * * *** ****   = amount * 0.6 + 10;
*   *    * **** *  * *  *    *

*    *   *      **   *  * if( amount ***  50 )
*** ** **** * * *** **  * * 
  **  ****  *   *        ****  *****   ***   ** = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
   **  *   *     *  *** ***

**  *** * ***  *    **  *   * if( amount  ** * 60 )
  ** **  *   * *    * ** 
* * *        *    **     **    *        *** ***    *** * * = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
  ** *  *  *  *     ****      *

 *   * *****   *  *    *   *
   *  ****** *  **    ** 
*  *  *** * ****     ***    *  * ** *  **** *  * **      = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
  *  *** * **   *   *    * 

  *** *  **  ***  *     ********    **     ****       *  * 
** *** *  *    * **    **   ** ** 0;

}
answered by (-285 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!
*      *   *    **** * 
#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: Correct output
Case 1: Correct output
Case 2: Correct 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:104.23.197.94
©2016-2026

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 | 18.7k 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 | 17.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users