1 like 0 dislike
23.6k 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 | 23.6k 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
| 18.6k 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
| 17.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users