10-12 Exercise: A water supply company

1 like 0 dislike
17.3k 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 | 17.3k 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:172.69.214.39
©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 | 13.8k 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 | 12.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users