1 like 0 dislike
27.8k 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 | 27.8k views

91 Answers

0 like 0 dislike
Hidden content!
#include * ** *** *
int main(void)
{

int a;
float b , c, d, e;

** ***** * * **** *
if (a>0 *** * * * * *
{
* ****** *** ** ** ** * *
* ** * ** * * * * * ***** * *** ** * b);
}
**** if (a>30 * * ** ** * ** ** **** **
{
* * ** ** * * * * *** *** * *
** ** * * *** * * ** *** * *** c);
}
else if ** * **** ** * * **
{
** ** * ** ****** *** * ** **
* *** ** **** ***** *** * * * * d);

}
else
{
* ** *** * * * *** ** * * ****** * * * ** ******* *
* *** *** * * ** * ** *** e);

}
* ****** * * * * ** **** 0;
** ** * **
answered by (-304 points)
0 0
Case 0: Wrong 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()
{
* *** * ** *** * ** a,total;
* * **** ***** ** * * * * ** * * * * *** *

* * * **** ** ** *** * (a<=30)
* * *** * * * * ** ** *
* ** *** * ***** *** *** *** ***** * *** *** * * * ** *
*** *** ** ** *** * ** * * ** * * ** ** ***** * ** * ** %.2f",total);
* ** ** * ** ****
** ***** * * *** ** * if (a>30 && a<=50)
** ** *** * ** * * *
* * ** * **** **** ** *** * ** * ** * * * ** ** * ** **
* * * * ** * * * * ** * * ** **** *** * ** * * * ** * %.2f",total);
* * * * * * **** ****
* ********** * ** * **** * *** if (a>50 && a<=60)
* * *** * ** * ** **
* * ** * * * **** * * * ** ***** * ** ** ** * * * ** * **
*** ** ** *** ****** ** ** ** *** * ** * * * * %.2f",total);
* * **** *** *** ****
* ******* ** *** * * if (a>60)
*** * * * ** * *****
* * * * ** * * * ** * *** * **** ** * * *** * ***** *** * ******
***** *** * * * * ** ** * * * * *** * * * ** * ** ** * %.2f",total);
    }
}
answered by (-214 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!
* **** * **** ** *
int main()
{
***** * ** * *** * ** * ****
** *** *** *** ** * * * amount;
* * * * ** ** ***** * * *** * * * *** *** * * ** ** * * *


*** ** * ** * *** * * ** 0 * * * * ** * * ** 30)
** ** ** * ** *** ** ******** * * ** ** **** = ** *** * 0.6) + 10;
*** ** * ** * * **** if * * * ** 30 * *** * * ** *** * ** 50)
* * *** **** * ** * * * **** * * * * * = ** ****** - 30) * 0.8) + 10 + 30 * 0.6 ;
* ** * ** **** **** ******* if * * ** * * * * * 50 * ** * * ** * *** **** 60)
* **** * * ** * ** * ** ** ** * *** = ** * - 50) * 1) + 10 + 30 * 0.6 + 20 * 0.8;
* ********* * *** * *** ** ** * ** * ** - 60) *1.2) + 10 + 10 * 1 + 30 * 0.6 + 20 * 0.8;
** ***** * ***** * * * ** *

return 0;
}
answered by (-140 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!
* ** * ** *
#define n 10
#define x 30 *0.6f
#define y 20 *0.8f
#define z (20 * ** ** **
int main()
{
* ** * * ** * * * a1;
* ** ********** * * * ** * ** ** ** * ** **
* * *** * ** *** * * * * < 30)
* * *** * * ** * * * * * **** *** * * * ** *** ** **** * **
*** ****** * * ** ** if(a1 > **** ** ** * < 50)
* * ** **** * * *** * * * * ** * * * * * *** * **** ***** * ** **
* * *** * * * * **** ** * * if(a1 > ***** ** *** < 60)
* * * ** * * ** ** ******** * ** * * **** * * * * * * * + y+(a1 - * ****
** * ** * ****** ** * ** if(a1 > 60)
** * ** ** ***** * * * ** * * * *** * *** ** * * * * ** ** - * ** *
return 0;
}
answered by (-141 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;

*** ** * *** ** * **
if (a>0 ** * * ** **** *
{
** ****** ** * * * * *
**** * * * **** *** * * * b);
}
** * * ** if (a>30 * ***** * ** *
{
** * **** * * * * ****** *
***** ** ***** *** * * * * c);
}
else if * * *** ** ** ****
{
*** * * **** ***** * * ** * * * *** *
**** * ** *** * ** * *** ** * d);

}
else
{
** * ** * ** * * **** *** ** ** ** * *
** * ***** ** * *** * e);

}
* * * *** *** *** *** * * * 0;
* * ****** *
answered by (-304 points)
0 0
Case 0: Wrong output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
* **** * ** **
int main()
{
float x,y;
***** * * **** *** *
if( ** *
***
else if ** * ****** * * *** ** ***
** * * * * * ****
else if * ** * ** * * ** *
* ********* *****
else
* * * ** * * * ** * * * **
**** ***** * * * * *





}
answered by (-329 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!
* *** ** *** * * **
int main()
{
float x,y;
* ** * ** * * *
if( **** *
* *****
else if * * *** ** ** ** *
* *** * **** ** ***
else if ** ** * * * ***** ****
*** *** ** **
else
* ** * *** * ** *
** * * * ** ***





}
answered by (-329 points)
0 1
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()
{
***** ** x,y;
* * ** ** * * * ** * * *
* * ** * * *
 {
** * * ** * ********* * ** * * ** * *
}
else if * *** **
{
*** **** * ** * * ** *** * **
}
else if ** * *
{
** ** * * * ** ** **** ***** * ** **** *
}
else
{
* * ** *** *** *** ***** * *** *** ** *
}
** *** ** * ****** * *
}
answered by (-229 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()
{
* * ** x,y;
* * * * ***** * * ** ** *
**** ** *
 {
*** * *** ** * *** ** * * * ** ** ***
}
else if * * *
{
* ***** * ** * ** * ** ********* * *
}
else if *
{
* * * * * * * *** ** * *
}
else
{
*** * * * *** *** ** * * * ** * ** **
}
* **** * **** **** * * *
}
answered by (-229 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 <stdio.h>

int main()

{

** * *** * **** * **** * a;

*** **** * * * * ** *** * * * ** * *

* ** **** ** * ** * (a<=30)

** ** *** * ** *** * ** * * **** *** * * ** * ** %.2f",a*0.6+10);

* * ***** * * ** *** **** if (a<=50)

** **** *** *** * ****** ** *** * ***** * * ** * ** **** ** * ******

******** **** *** *** * * * * if(a<=60)

* * * * ** ** ** * * * ** * ** *** * ** %.2f",34+(a-50)*1+10);

* * * ** * * *** * * * * *** *

* ** * * * ***** * * *** ** ** ** * * ********* * *** * * * **** * *

* *** ** * *** * *** 0;

}
answered by (-284 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:104.23.197.95
©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
| 22.4k 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
| 20.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users