10-12 Exercise: A water supply company

1 like 0 dislike
25.9k 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 | 25.9k 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 | 20.6k 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 | 18.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users