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!
#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:172.71.255.47
©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