1 like 0 dislike
25.2k 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 | 25.2k 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
| 20k 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
| 18.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users