1 like 0 dislike
20.9k 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 | 20.9k 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:172.70.80.197
©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
| 16.8k 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
| 15k views
12,783 questions
183,442 answers
172,219 comments
4,824 users