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