1 like 1 dislike
5.7k 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: 32351 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 5.7k views

59 Answers

0 like 0 dislike
Hidden content!
#include<stdio.h>

int main(){

** ** ** *** ** * * * * ** a,b;

****** ** * * ** * * *** ** * ** ** * **
*** ** * * ** * * ** * ** * *
** *** *** * * * *** ** ** *** ** * * *** *
**** ** * * * * * * ** ** ** * ** * * * * ** ** *** ** * %.2f",b);
* ** *** * ** * ****
* ****** * * * * if(a>30 && a<=50){
** ** ******* ** * ** * * * * ** ** * * * * ** %.2f",10+30*0.6+(a-30)*0.8);
* *** * *** *** * *
* * * ** * * *** * ** * * if(a>50 && a<=60){
** ** * *** * * ** ** ** * ** ** ** * ** * ** ** * ** ** *** * * *** * ** *** **
* * **** ** * *** *** ***
* *** * *** ** * ** * if(a>60){
*** * *** * *** * * * * * *** ** *** * * * * *** ** ** * **** * ** * * * * * *
* ** *** ** ** *** ** *




return 0;
}
answered by (-301 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,sum;
* * **** * * ** ***** * * *** ***** * ** ** *** **** ** *
*** ** ***** ****** ** **
* **** ** **** ** * *
*** ** * *** * ** ** * ** * ****** * ** * ** +10;
** ** * *** * * * * *** *** * ** ** * %.2f",sum);
** * ** *** *** * *** **
* * * * * * ** ***** ** if(a<=50)
* ** ** *** * **
* ******** * * *** *** * *** **** * **** * 0.6*30 + (a-30)*0.8 +10;
** * ** **** **** **** *** * ** ** ** * * * * %.2f",sum);
* * ** * * * * **** * *
**** ** * * * *** *** ** if(a<=60)
    {
** ***** * ** *** * * ** * **** * ******* 0.6*30 + 0.8*20 + (a-50)*1 +10;
* *** * * * *** *** *** ** * ** ** ** **** * * ** * ** %.2f",sum);
* *** **** ** * *
* ** * ** **** ** *** *
* *** ** ** ******* ** *
*** * * *** * ** * * * **** ** * ** * 0.6*30 + 0.8*20 + 10*1 + (a-60)*1.2 +10;
* * *** * ** * *** * * ** ** * *** * * * *** ** * %.2f",sum);
** ***** * * ** ** * ****
* * * * *** ** * * ** *** 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 like 0 dislike
Hidden content!
#include ****** * *
#include ** ** *

int main()
{
**** * * *** **** * ** ** water = 0;

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

* ** * *** ** ***** * * ** < 30)
**** ** * **** ** * ***
*** ** * * ***** ** ** * ****** *** ** ****** * *** = water * 0.6 + 10;

***** * *** * * * ******* * * *** ******* ** * * ** * * * ** * * water);
**** ** * * * * ** *
** * * * * *** * ** if(water < 50)
** * * * ** * * *
*** *** **** *** ** ** ** * * **** * *** *** * = (water - 30) * 0.8 + 30 * 0.6 + 10;

** * ** *** *** * ** * ** * *** ******* * *** ***** *** * * ***** water);
*** ** ** ** * *** ** *** *
* *** * * * *** ** if(water < 50)
* * **** ** * *** *
***** * * *** * ** * * *** * * **** * * * = (water - 50) * 1 +  20 * 0.8 + 30 * 0.6 + 10;

** **** * **** * * ** ** ** * ** *** ******* * ** ** ** ** water);
* ***** * * ****
* *** * * *** * ****** ** *
** *** ** * * ** ** ** * *
******* * * ***** * * * **** ** * ******* * = (water - 60) * 1.2 + 10 * 1 +  20 * 0.8 + 30 * 0.6 + 10;

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

*** ** ****** * * **** ** 0;
}
answered by (-285 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;
* * ** **** * ** * ** * * * * **** * *** *
* * ****** *** * * (a<=30)
***** ** * *** ** *
* * ** ** *** *** * * * * * * ** * *** * ***** ** %.2f",10+a*0.6);
**** * * **** ** * **
* * * * * * **** **** if (a>30 && a<=50)
*** ** * *** *
* * * * *** * * * * * * ** **** ** *** * ** * * %.2f",10+30*0.6+(a-30)*0.8);
** ** * ***
* *** ** *** ** * * if (a>50 && a<=60)
* ** ** ***** ***
* * * ** ** * **** ** * * **** *** * **** * * ** **** **** ** **** * *
**** * * * *
* *** ** * *** *** if (a>60)
* * *** ***** *
* * *** * ****** * * *** ** * ******** * ** * ** ** * ** *** * * * ** ** **** *
*** ** ** **** * * *
}
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 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
* ** * * * ** **** * * meter,cost;

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

** *** * * ***** * *** * * * * ****
** * ** * ** *** * ** **** ** *** ** ** * **** * * **
** * * ** ** * ***** **** ** * ** ******** * ****** %.2f",cost);}

** *** * ** ** ** * * if(meter<=50)
** ** ** * * * * *** * * * ******* * * * * * ********* ** *** * *
** * * * *** * * ** * * * * * * ** * ** ** * %.2f",cost);}

* * **** * ** * * * if(meter<=60)
** * ** *** *** ***** * ** * * *** ** * ** **** ** ***
* ** * * *** * * **** * * * * ** ** %.2f",cost);}

** * * * *** * ** * ** *
* ** **** * ** * ** **** * ** * * ** ***** * * * *** ** * *** ** **
** *** *** ** ** ** * * * * ** **** ** **** *** %.2f",cost);}

* ****** *** * * * *** ** * * 0;
}
answered by (-16 points)
edited by
0 0
prog.c: In function 'main':
prog.c:9:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
     scanf("%d",meter);
             ^
0 0
Case 0: Correct 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: 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 ** **** *** *
#include * * * * *

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

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

*** * * * * ** * * ** * if (a>30 && a<=50)
** **** * **** *** * **** * * * * * *** ** ** * * **

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

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

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

*** * * ** **** * * 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
0 like 0 dislike
Hidden content!
#include <stdio.h>

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

    }
* ** ** * *** ** * * * * if(a<=50){
* **** * ** * * ** ***** **** ** * * ******** **
* * * * **** * ** ** * ** ***** printf("%d",a);
* *** *** * * ** ** ** *
* ** * * * ** * * * ** if(a<=60){
*** * * * ** * ***** * ** **** ***** ** ** *** ** ** ** ** ** *
* * * **** * ** *** * * * *** * * ** * ** ****
* *** ** **** * * ** ****
** ***** ** * * ** **
**** * * * **** ** *** ********* ****** * ** * * * * **
* * ** * * *** * ** * * * ** * ** printf("%d",a);
    }
* * ** ** * * * * ** ***** * * ** %.2f",p);
**** *** * * *** ***** 0;
}
answered by (54 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!
** ****** ** ** *
#define FIXED_AMOUNT 10
int main()
{
*** ******** *** ** * n;
* * *** ***** ** **** ** *** ** * ** * * **
* * **** * *** *** * *** * * * * *** *
* * * * * * * * ** **
* * * * ** * ** * *
** *** ** * ** * * * * ** *** ** * ** * *** = FIXED_AMOUNT + (n*0.6);
* * **** ** * * ****** * ****** * ***** * * ** *** ** ** %.2f",first_30cb);
*** * ***** * **** **
**** ** *** ** * * if(n<51)
* * ***** * ** ***
* ** * *** ** * ** * * ** *** * ***** * ** * * * = FIXED_AMOUNT + 30*(0.6) + (n-30)*0.8;
**** **** *** ** *** * ** ****** ** *** * * * * * %.2f",next_20cb);
* ***** * ** * *** * ****
* ** *** * * * * * ** * if(n<61)
** * *** * ** ** *
* *** *** ** * ** *** * * *** * * ** *** * ** * = FIXED_AMOUNT + 30*0.6 + 20*0.8 + (n-50)*1;
* * ****** * **** * ***** *** * * ** * * *** * * * * ** %.2f",next_10cb);
* * * * ** * *
* ** * ** * ** ** ** *
* * * ***** ** ***
*** *** * * ***** ** * * * *** * * ****** * * * * = FIXED_AMOUNT + 30*0.6 + 20*0.8 + 10*1 + (n-60)*1.2;
*** * **** **** ** * * * *** *** * * *** *** *** *** %.2f",add_metercb);
* * * ** * **
*** * ** * * * * * * * * 0;
}
answered
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>
#include * *** *** *

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

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

* * * ** ** * * * ** if (a>30 && a<=50)
* * * * **** ********* * ** *** * * ** ** **** ** * *

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

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

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

* ***** * * * * *** ****** * 0;
}
answered by (-127 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 ** * * * *** *
#include * *** * * ***

int main()
{
*** ** ** *** * * * * a;
********* **** * * * * b = 10;
*** ** ** ** * * * * **** * * * * *** *
******* * ** ***** ** * <= 30)
*** *** ** *** ** ** * *** **** * * * *** = b + a*0.6;
* * * *** * * * * * * ** if(a <= 50)
* ** * * ** * * * * *** **** * *** *** * **** **** = b + 18 + (a - 30)*0.8;
** *** ** ** ** ** * **** * if(a <= 60)
* * * ** * * ** ** ** * * ** * ** * * ** ** = b + 34 + (a - 50);
** ***** ** * * ** ** *
* ****** **** ***** ** ****** * ** * * * * * * = b + 44 + (a - 60)*1.2;
**** * *** * * * * ** * ***** * ** * *** **

***** * * * * * 0;
}
answered by (-255 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:172.69.17.61
©2016-2025

Related questions

0 like 0 dislike
19 answers
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36750 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 2.3k 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
| 2.2k 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
| 5.3k views
12,783 questions
183,443 answers
172,219 comments
4,824 users