1 like 0 dislike
22.2k 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 | 22.2k 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:172.70.50.60
©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
| 17.6k 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
| 15.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users