1 like 0 dislike
27.2k 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 | 27.2k 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:104.23.243.109
©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
| 21.7k 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
| 19.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users