1 like 0 dislike
14k 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 | 14k 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:172.70.100.38
©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