1 like 1 dislike
7.1k 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
| 7.1k 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:172.70.100.107
©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
| 2.8k 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
| 2.7k 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
| 6.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users