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:108.162.216.51
©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