1 like 0 dislike
24.3k 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 | 24.3k 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:104.23.197.94
©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
| 19.4k 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
| 17.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users