1 like 1 dislike
2.2k 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
| 2.2k 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:172.69.7.53
©2016-2024

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
| 957 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
| 798 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
| 2.5k views
12,783 questions
183,443 answers
172,219 comments
4,824 users