1 like 0 dislike
20.8k 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 | 20.8k 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:172.70.50.50
©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
| 16.7k 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
| 14.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users