1 like 0 dislike
14.1k 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 | 14.1k 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:172.70.126.2
©2016-2025

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
| 11.2k 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
| 10k views
12,783 questions
183,442 answers
172,219 comments
4,824 users