1 like 0 dislike
27.4k 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 | 27.4k 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:162.159.115.9
©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
| 21.8k 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
| 19.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users