10-12 Exercise: A water supply company

1 like 0 dislike
19.7k 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 | 19.7k 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:108.162.241.184
©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 | 15.8k 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 | 14.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users