1 like 0 dislike
23.2k 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 | 23.2k 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:162.159.115.32
©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
| 18.4k 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
| 16.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users