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:172.69.58.70
©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 | 9.2k 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