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:172.70.80.123
©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