0 like 0 dislike
5.5k 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

 

[Exam] asked in Midterm by (12.1k points)
ID: 36750 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 5.5k views

19 Answers

0 like 0 dislike
Hidden content!
#include<stdio.h>
int main(void)
{
* * * * * ** * ** * c,total;
** * ** * ** ** ***** ** *** * * * ***

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

* * *** * * if(c>30 && c<=50)
   {
** * * * * ** * **** * ** ** *** *** * ** * ** **
******* ** ** ** * * * * ** *** * ** * *** *** *** * * * *** *

* * ** ****
** *** **** * * ** if(c>50 && c<=60)
   {
* ** * ** * ** * ** * *** ** * *** ** ** *** *** * * * *
* *** ** ** ** * * *** * * * ***** * * ** **** * * *****
** * * ** * * *
* * ** * *** * * ***
   {
**** ** ** * * ** * * ** ********* **** * **** ** * ** ***
* * * * * **** * ******* * * ******* **** *****
** * * *** * *




}
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 <stdio.h>
#include <stdlib.h>

int main()
{
*** **** * * * * *** a;
** ** ** ***** **** ** * ****** * ***** *** * * *

* * * ** * * * **** ** ** * (a<=30)
** * * *** * * *** ** *** ****** %.2f",a*0.6+10);


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


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


** *** * * * * *** *** *** (a>60)
* *** * * **** * ** *** * * * *** **** ** ** * * * * ** * *** ** **** * * ** *

* **** ****** ** **
* ** * * ** * *** * *** 0;
}
answered by (-284 points)
0 0
prog.c: In function 'main':
prog.c:7:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'float *' [-Wformat=]
     scanf("%d",&a);
             ^
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
* *** * * ** * a;
* ** * ** ***** **** * ** *** * * **

** *** *** *** ** ** (a<=30)
* * *** * * ** ** ** ** *** %.2d",a*0.6+10);


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


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


*** * **** *** ** (a>60)
* ** * ** * ** ** * * * * * * ** *** **** * ** **** ** ** ** ** * *

** * * * ** *** * *
* * ***** *** **** ** * * * 0;
}
answered by (-284 points)
0 0
prog.c: In function 'main':
prog.c:10:22: warning: format '%d' expects argument of type 'int', but argument 2 has type 'double' [-Wformat=]
     printf("Cost: %.2d",a*0.6+10);
                      ^
prog.c:14:26: warning: format '%d' expects argument of type 'int', but argument 2 has type 'double' [-Wformat=]
         printf("Cost: %.2d",18+(a-30)*0.8+10);
                          ^
0 like 0 dislike
Hidden content!
#include * ****** **


int main(void)

{
* ** ** ** *** y, fixed_charge=10;


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

** * ** * * * (y<=30){


*** * * * * *** * * * * **** * ** ** * * *
}

 if (y>30 ** *** *** y<=50)
** * *** * * * * ** *

******** *** **** * ** * *** * ** * * *** * ** * *** ******** * *
* * **** * * * * ***
* * * *** *** ** ** (y>50 * * * ** y<=60)
****** **** * * ** * *

* * ** *** **** * * * * ** * ******* * ******** *** ** * * ** *
 }
*** * * ** ** * * *** ** *** (y>60)
****** ** ** * * ** ****

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



return 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 like 0 dislike
Hidden content!
#include ** ** * * ***


int main(void)

{
**** * *** * ** ** y, fixed_charge=10;


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

***** *** ** (y<=30){


* *** * * ** * ***** ** *** * *** ** * ** * * * ** ****
}

 if (y>30 * ** y<=50)
** * * *** *** ***** ** * ** ***

* * ** *** ** * *** *** * * * * ** * ** **** ** *** *
* *** **** * *
*** **** * *** * (y>50 ** ** y<=60)
**** **** *** * *** *

**** * * * *** * * ******* **** ****** * * * ** * * * ** ****** **
 }
* * *** * * * * ** ** * * (y>60)
** * * ****** **

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



return 0;

}
answered by (-107 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 main()
{
int n;
float cost;
* ** ** *** * *
if(n>60)
** * ** **** ** *** **** * * * ***
***** *** ** * *** *
* * ** * * * *** * * ** **
* *** * ******** ** * * *
** *** *** ***** ** ****** ** * ** ***
if(n<=30)
* * ** ** *** * ** ** ****
*** * %.2f",cost);

return 0;
}
answered by (-32 points)
edited by
0 0
prog.c: In function 'main':
prog.c:13:1: error: expected declaration or statement at end of input
 return 0;
 ^~~~~~
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 0
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(){

* ***** ***** **** * sum,n;

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

** * *** ***** *** ****** *
* * ** * ** * ** ** * ** * * = 10 + n*0.6;

* **** * * *** * **** * * ** * * * * n <50)
** ***** *** * * ** ** = 10 + 30*0.6 + ** **

**** ** ** * ** * * * ** * **** *** *** *** *
* * ***** ** * * ** **** = 10 + 30*0.6 + 20*0.8 + * * * * *

* * **** * * * ** * * * * * ** ***
* ******* * * * = 10 + 30*0.6 + 20*0.8 + 10*1.0 + ** ****

** ***** * * **** *** * *** * * *** * * sum);

* ** * * **** * ***** 0;
}
answered by (-74 points)
0 0
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()
{
****** *** * * **** a,b;
** ** * * *** ** * ** * * * * ** ** * ********
* * ****** *** * *****
    {
* ** * * * *** ** * ** * * * * *** * ** ****
** * * *** ** * *
*** * **** ***** ** * *** * * * * * * * * ** *** *
    {
* * * ** ** *** **** ***** * * * **** * * **** *
** * * * ****** * * *
*** * * * ** * * ** * *** * * * ***** * * *** ** *
* ** ** ** ** * *
** * * * * ** ** * * *** * ** *** *** ** *** *
    }
** *** * * *** *** ***** * if(a>=60)
* * * **** * * * ******
* * ** *** *** * ** *** * * *** * ** ** ** * * * * * ********
    }
* * *** * * * * ** * * * * * ****** ** **
}
answered by (-255 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
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>
#include * ***

int main()
{
* * ** ** ****** * ** n,sum;
***** ** ** * * ** *** **** * * *** * ** *

* * * **** *** **** ** ********** ***
* ****** **** ****
***** *** * * ** *** * ** *** ** * * * ** ** * * ** 10+n*0.6;
** ** *** * ** * * ****

**** * ***** ** * * *** if(n>30 && n<=50)
* ****** *** * * ** * **
**** *** **** * * ** ** ** * * * ** * ** * ** 10+18+(n-30)*0.8;
***** * * * ** *

* * * **** * * * * * * if (n>50 && n<=60)
* ** * *** * ** * * * * * ***** *** ** ** ** *

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

* * *** ** **** * * * * %.2f",sum);

* * * ***** ** *** * * 0;
}
answered by (-127 points)
0 0
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:172.71.255.106
©2016-2025

Related questions

1 like 1 dislike
59 answers
[Exam] asked Nov 15, 2017 in Midterm by thopd (12.1k points)
ID: 32351 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 13.2k views
0 like 0 dislike
15 answers
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36755 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 4.9k views
0 like 3 dislike
58 answers
[Exam] asked Nov 15, 2017 in Midterm by thopd (12.1k points)
ID: 32710 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 12k views
0 like 0 dislike
21 answers
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36754 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 5.8k views
0 like 0 dislike
22 answers
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36753 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 5.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users