10-12 Exercise: A water supply company

1 like 0 dislike
13.1k 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 | 13.1k 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:172.70.100.173
©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 | 10.4k 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 | 9.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users