10-12 Exercise: A water supply company

1 like 0 dislike
25.9k 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 | 25.9k 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:104.23.197.95
©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 | 20.6k 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 | 18.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users