10-12 Exercise: A water supply company

1 like 0 dislike
23.2k 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 | 23.2k 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:162.159.115.32
©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 | 18.4k 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 | 16.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users