1 like 0 dislike
14k 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 | 14k 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:172.71.254.132
©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
| 11.2k 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
| 9.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users