1 like 0 dislike
20k 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 | 20k 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:172.69.130.53
©2016-2025

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
| 16k 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
| 14.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users