1 like 0 dislike
23.9k 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 | 23.9k views

91 Answers

0 like 0 dislike
Hidden content!
#include * *** *
int main(void)
{

int cm;
float cost;

** * * * * ** * * ** *

if *****
{
* * * **** * ****** * ** * ***** ***
}

if * ** ***** * * *** **
{

* * ****** * *** * *
}

* * *** * * * ** **** * * * * *
* *** *
** ***** *** ** *** * *** * ** ** * ** * ** *
 }


if (cm>0 ** * * ***** * * * * **
* * * * * ** * *
*** ** ** ** * *** * *** ***** ** *** *
** * * ** * *** * *
* *** * ** ** ** cost);



return 0;
}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
** * * ** *** *
int ** **
{

int cm;
float cost;

****** * * **** * * * * *


if * * ***
** * * *** ** * * ** ** **** ****
* ** * ** **** **** cost);

else if * ** ***
**** *** * ** *** * * * ** * *** * * *

else
*** **** ** * * * * **** ******* *** * * ** *****

* ** ** * * * * * * * cost);

* *** ()


** * *
*
* **
*** ** *
** **

return 0;
}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
* * * *
int ** *
{

int cm;
float cost;

* * * * * * ** ** ** *


if * * * *
* * *** ** ** **** * * * **
** * * * * * * cost);

else if * *
* * ** * *** ** * ** * * * * * ** * **

else
* ** ** ** * ***** ** ** * * * **** ** * * **

* ** * ** ** * * ** cost);

* ()


**
**
*** **
******
*** **

return 0;
}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include **** ** * ** *

int main (void)
{

* ** * * * **** * fixed_charge=10;
* ** *** **** y;



**** ***** * ****** *** * ** ** *

** *** * * ** ** ** * (y <= 30)
* * ** *
* * *** **** ** *** * * * ** *** **** * * *** *** *
* * *** *** **
* * * * ** ** * *** ** ** (y>30 && y <=50)
* * ******* * * ** * ****


* * *** ** * * * ** ** ** ** * * * ** ** * * *
* * * ** * * * ***


* * ********** ** ****** ** ** (y>50 && y <=60 )
*** * *** *** *** **
*** ** ** ** *** ** * * * ** ** ** ** * ** * * * ** * **** ** * ** * fixed_charge);
* * * ** ** ** ** * **


**** * * **** * * (y>60)
{
** * * ** ******* ** * ** ** *** ** ** * ** ** ** * * * * ***** * ** * * * * fixed_charge);
* * ** *******




* ** ** * * * * ** * 0;
}
answered by (-107 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include * * * ***

int main (void)
{

*** * * * * *** ** ** * fixed_charge=10;
***** * ** * * * y;
** * * *** ** *** x;


** * * ** * * * ** ** ** * * * **** *

* * ** * * * (y <= 30)
* * * * **** ** * **
* ** *** *** * *** * **** *** * * * * * *** **
*** *** ***** *
* * * * * ** (y>30 && y <=50)
** ** * *** * ***


** ***** ** ** *** *** * *** *** * * * * ****
* ** ****


* * * *** * * * (y>50 && y <=60 )
* ** * *** *** * * *** * *
*** * * **** ** *** * * * * **** * ** * * ** * * * * * * * * ********** fixed_charge);
* ** * ** ***** ******


*** * ** * ** (y>60)
{
* *** * *** ** * ** ** ***** * ** * * ** * *** * * * * * * * * ** fixed_charge);
* ** ** *




** * *** * ******** ** * * ** 0;
}
answered by (-107 points)
0 0
prog.c: In function 'main':
prog.c:8:8: error: unused variable 'x' [-Werror=unused-variable]
    int x;
        ^
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include * ** *** ****
int main()
{
*** * *** * * ** ***** * **** ** ** *
**** *** * ** **** * * * ** *** * ** * * ** ****
***** * *** ** * * * (a<=30)
** *** * * * * ***** *** = 0.6*a +10;
* * ** * * * ** *** *** **** * *** ** %.2f",cost1);
* * * * * * ***** **
**** *** * * * *** ** if (a<=50)
* **** * * *** ** * ** * = 30*0.6 + 0.8*(a-30) +10;
** *** * *** * * ** * * * **** * * * **
*** * * * ** **** * if (a<=60)
* * * *** **** ** *
** * ** *** **** ** *** * * ** ** **** ** * = 30*0.6 + 0.8*(20) + 1*(a-50) +10;
* ** * ** * ** * * * ****** ** * * * ***** ** ** %.2f",cost3);
*** ****** * ******* ***
*** * * * ***** * * * * if (a>60)
*** **** *** * * ** ***
* * * * ** * * *** ** * * * * *** ** * * ** * ** ** * * = 30*0.6 + 0.8*20+ 10 + 1.2*(a-60) +10;
** ** *** ***** ** * * ** * * * ** * ** **** ** %.2f",cost4);
** * * * * *** * * *** **

******** ** * ***** ***** * 0;
}
answered by (-323 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
** * ** * ** *
* ** ** ** main ()
{
** a,b;
** **** ** *** ***
if ** * * **
** ***** *** * ** * *** ***
else if *** *

*** ** + * ******
else if **** **
* * * * ** * * * **
else * * * *******
**** * ** ** * * *

* 0 ;
}
answered by (-254 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main (void)
{
* * * * * a;
* * * * * * ***** * * * cost;
* *** ** * ** * *** ** ** **** ** **
* * * *** * * * ** (a>60)
***** ** ** *****
**** ** ** * ** *** * **** ** * ** ** ** * * ** * * **
** ** * * ** * *
* ** * * * ** * **** * * **** * (a>50 && a<=60)
** * ** * ***** * *** *
**** ** * ** ** *** * ** * ** ***** ** * * ** *** *** * ** * ** * ** **
* ***** * ****** *** ** * *
*** **** ** * *** ** ** * (a>30 && a<=50)
*** * * * ** * *** * * ***
* *** * ***** **** ** ** ** * *** * ***** * ((a-30)*0.8)+(30*0.6)+10;
*** ** * **** ** ** * **
* ** ** * * * ***** ** ** (a>0 && a<=30)
* * * * *** * * ** * *** ***
** * * * * * **** ** * * * *** * * ***** **
* ** * *** ** ** **
* ** * * **** **** **** ** * *** *** ** %.2f",cost);
* * ****** ** ** * * * 0;
}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main (void)
{
***** **** * ******* a;
* ** *** *** ** * * cost;
**** * **** *** ****** * **** * * * * * **** **
** * * ***** * * * (a>60)
* ** * ** ** *** * **
** *** ** **** *** ***** * ** * * * *** ** **** * * * ***
    }
** * * ** **** ****** (a>50 && a<=60)
*** *** ** ***** * * * *
** * * * ***** * ** * *** ** **** * * * * *** * * * * *
* **** * * * ** * *** ** *
**** *** * *** ***** ******* ** * (a>30 && a<=50)
* ** **** *****
* * **** * * *** * *** * * ** *** *** * * * * ((a-30)*0.8)+(30*0.6)+10;
* *** ****** *** * ** *
** * * * * ** ****** ** * ** (a>0 && a<=30)
***** ** ** * * * * *** * * *
* * *** ****** * * * * * ****** * *** *** ** ** ** ***** *
* * ** *** ** * ** * * * *
*** ** * * *** *** ********* ** ** *** ** *** ** *
* * **** ** * * ** * * 0;
}
answered by (-168 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include *** * *** ***
int main(void)
{

int a;
float b , c, d, e;

**** ** ** ***** * &a);
if ** ** *
{
**** * **** **** *** *
* * ** * ** *** * *** * * * *** b);
}
* * **** if (a>30 ** * ***
{
** * ***** * * * ***** *** ** ** *
*** ** **** *** *** * * ** c);
}
else if ** ** *** * * *** * *
{
** * ** * *** * *** ** * **
** * * *** ** * * * * * * * d);

}
else
{
** **** ** * * * * ** ** ** ****** ** * ***
* ** *** * ** * *** * e);

}
**** * **** * ** * ** ** 0;
** * *** *
answered by (-304 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:162.159.115.31
©2016-2026

Related questions

3 like 0 dislike
87 answers
[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
| 18.9k views
3 like 0 dislike
86 answers
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited
| 17.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users