1 like 0 dislike
24.3k 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 | 24.3k 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:104.23.197.94
©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
| 19.4k 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
| 17.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users