1 like 0 dislike
22.2k 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 | 22.2k 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:172.69.130.93
©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
| 17.7k 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
| 16k views
12,783 questions
183,442 answers
172,219 comments
4,824 users