1 like 1 dislike
13.3k 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
| 13.3k 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:172.70.80.122
©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
| 5.5k 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
| 12.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users