1 like 0 dislike
24.9k 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 | 24.9k 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:104.23.243.108
©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
| 19.9k 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
| 18.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users