10-12 Exercise: A water supply company

1 like 0 dislike
23.8k 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 | 23.8k 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: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 | 18.7k 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 | 17.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users