1 like 0 dislike
20.8k 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 | 20.8k 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:172.71.254.105
©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
| 16.8k 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
| 15k views
12,783 questions
183,442 answers
172,219 comments
4,824 users