10-12 Exercise: A water supply company

1 like 0 dislike
11.4k 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 | 11.4k 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:172.71.254.131
©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 | 9.1k 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 | 8.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users