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:172.70.130.156
©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