1 like 0 dislike
17.2k 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 | 17.2k 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:172.71.254.102
©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
| 13.8k 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
| 12.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users