1 like 1 dislike
13k 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
| 13k 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:172.70.131.189
©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
| 5.3k 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
| 4.8k 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
| 11.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users