1 like 0 dislike
24.5k 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 | 24.5k 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:162.159.115.9
©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
| 19.6k 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
| 18k views
12,783 questions
183,442 answers
172,219 comments
4,824 users