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:172.70.127.77
©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