10-12 Exercise: A water supply company

1 like 0 dislike
9.9k 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 | 9.9k 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:172.70.179.73
©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 | 7.9k 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 | 7k views
12,783 questions
183,443 answers
172,219 comments
4,824 users