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:172.70.126.168
©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
| 9.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users