10-12 Exercise: A water supply company

1 like 0 dislike
11.7k 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 | 11.7k 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:172.69.58.2
©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 | 9.4k 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 | 8.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users