1 like 0 dislike
28.2k 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 | 28.2k 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:104.23.243.109
©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
| 22.6k 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
| 20.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users