1 like 0 dislike
11.7k 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

 

[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 26465 - Available when: Unlimited - Due to: Unlimited

edited by | 11.7k views

91 Answers

0 like 0 dislike
Hidden content!
**** **** ** * *
int main()
{
* ** * * *** x,y;
**** * * ** * *** **********
* * *** ** ** ** ************ * * **
  {
** ****** ** **** * *** * * * ** * * *
  }
* * * * * *** * * ** ** ******** *
  {
*** * * ** * *** * ** * **** *** * ** ** ** ***
  }
* ** * ** * ** * ** *** * * ***
  {
** * ** *** * * * * * *** *** * ***
* * ** ***
** *** * if(x>=60)
* ***
*** ** * **** * * * * ** * * * * ** * ** ** * *
* * **** * * *
*** ** * *** * * * **** * %.2f",y);
**** *** ** * 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
0 0
-----------Re-judge-----------
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(void)
{
* * ** * * ** ** ** *** *** x,y;
* ** * *** **** * ** ***** *** ** *** *
*** * * * * ** * (x<=30)

** * * * ** * * *** ** ** * *

* *** **** * * * * * if (x<=50)

* ** *** * *** *** **** ** * *****

* * ** * *** ** ** if (x<=60)

** * * * * *** ** * *** * *

* ** * ** * *** ** * * *

* ***** ** ** * * **** *** ** * *** * ** ** *

***** ** **** ** **** * **** * * %.2f",y);
**** * ** **** *** * 0;
}
answered by (-196 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
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()
{
* * ** **** ***  x, first_30cb, *** * ***** next_10cb, add_metercb;
* ** ** ** *** * ** ***** * * &x);
*** ** * * ***** * (x<31)
*** ** * *** * *
*** * ** *** * ** * * *** * **** = FIXED_AMOUNT + x*0.6;
** *** ** *** * ** ** ****** * * * ** * * * ******* *** * *
** ** * ** **** *
* * ** * * *** * if (x<51)
**** * * * ****
* **** *** * *** **** ** * * * * * = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
* * * * * ** * * **** * **** ** * * * * ** **** ** * *
* * ***
*** * * * * ** * * if (x<61)
**** * * * *
* * * **** * * *** * * * ** ** ***** * *** = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
* ***** * * * * *** ** * *** * * * ** * ** * *** * *** **
** ** * * *** **
** * *** *** * * *
* * * ** * *** * ** * *
*** ** * ** ***** ** * **** ** **** * * * * ** **** = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
** * * *** **** * **** *** ** *** **** * ** * * * ** * * ** ** *** **
* ** ** * *** * ***

* * ** * * * * * * * * 0;

}
answered by (-281 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
*** * ** *** **
#define FIXED_AMOUNT 10
int main()
{
* * ** ** *** **  x, first_30cb, * * * * next_10cb, add_metercb;
* ** **** * *** **** &x);
* * ** * **** ** (x<31)
**** * **** *
* * **** **** ** * ** * * ** * * = FIXED_AMOUNT + x*0.6;
* * *** * * ** ***** ***** * ** *** **** ** * * ****
** *** *** * * **
**** * * * ** * * if (x<51)
** * *** *** *
* ** ** ** * **** * * **** **** **** ** = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
* * ** * *** * ** * *** *** * **** * * * *** * * ** * **** * ** *
** * * ** * *
*** * * * ** * *** if (x<61)
** * * * * *** **
*** * * ** * * * * * ** *** ** * *** * * * = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
* * ******** ** * *** * **** *** **** ** * * *** *** ***** *
*** **** ** * *
* **** * * ** * *
* * * ** * *
*** * *** ** *** ** ** *** * ** **** * ** * * * * ** = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
* * ***** **** * * * *** ** **** ** ** * * * *** *
** *** * * *** **** *

*** ** * *** * * 0;

}
answered by (-281 points)
0 1
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!
* ** ** * ** *
#define FIXED_AMOUNT 10
int main()
{
* ** * * * * ***  x, first_30cb,  next_20cb, next_10cb, ** ****** *
* ** * * * * ** ** * * &x);
** * *** * *** ***** (x<31)
** **** ****** ** *
*** ** * ***** * * * * * *** * ** *** ** = FIXED_AMOUNT + x*0.6;
* * * ** * ******* *** ** * * ** ** *** ****** ** ** *** * * ** ** *
* * **** ** ***
* ** * **** if (x<51)
* ** ** *** ******
** ** * *** ** * * **** *** ** **** *** * ** ** * = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
* **** ** * *** *** * *** * * ** * *** ** ** * * ***
** ** * ***** * *
* * * ***** if (x<61)
*** * *** ***
* *** * **** *** ***** * **** ** *** * * * * = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
* ***** * ** *** * * ** * * ** * *** ** * * ** * ****** **
*******
* * ****** * * *
* ** ** * * * **
**** * * ** * * *** * **** ** * * ****** ** * * = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
* ** ** * ** ** * ** * * * * *** ** * * **** ** ** * **
** ** * * **** **** **

* * ** ** * * * 0;

}
answered by (-281 points)
0 0
prog.c: In function 'main':
prog.c:5:61: error: unused variable 'total_amount' [-Werror=unused-variable]
    float  x, first_30cb,  next_20cb, next_10cb, add_metercb,total_amount;
                                                             ^~~~~~~~~~~~
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main(void)
{
****** ** * * ** * ** ***** * * x,y;
*** ** **** * * * *** * * *** * ** * ** ***
*** *** * ***** * ** (x<=30)

* *** * ** *** * * ** * ** *

* **** * ** *** ***** ** * if (x<=50)

* * * * * * ** *** * ** * ** **** *

* * * ** ** * ** ** *** if (x<=60)

**** ** * * *** ** ***** * ** * * ** *

* * * *** ** * ** **** *

* * ** * **** * ** * *** * * *** * **

* ***** * ** * **** **** * * * * * ***
* ** * ** ** * * * *** * 0;
}
answered by (-196 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<stdio.h>

int main() {
* ** ****** * * a;
**** * ** * ** * *** * **** *** * ** &a);
* ** *** * **** * * * b;
* * * * * * ** * ** ** *** {
* * * ** * ** **** ** * ** * ** ***** ** ** **** *** ** * *** *
** ** * *** * ** ** ** **
* ** ** ** ** * ** * * if(a> 30 && a<=50) {
*** ***** * **** * ******* * ** * *** ** *** *** *** ** *
*** * ** * * ** ** * **
** * *** * *** * * * ** if(a>50 && a<=60) {
*** **** * *** ** * * **** **** * * * * * * *** *** * *
** * ** * * *** **** ***** *
**** * * *** ** ** if(a>60) {
* * ****** *** * * * ** * * * ***** * ** * * * *
** ** ** * ** * * *
** * * * ** ** * *** ** * **** %.2f", b);
}
answered
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
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()
{
** * ** ** * * *** * * * x,y;
*** ** * * ** * * * ***** ***** *** * **

*** ** *** * ** ** ******* ** *
*** *** * ** * ** *
*** ****** ** * ****** *** *
* * *** * * ** ** * ****

* ** * ** * ** if(x > 30 && x<=50)
* ** *** * * ****
* * *** * ** *** ** *
* * * * * * * *** *
*** * * * * * *** *

**** ** ** * * * **** * if(x>50 && x<=60)
    {
* *** * *** ** * * * *
** ** * **** * *** * * **** * ******
** * ** **** *** ****

* ** ** ***** * ** * *
* **** *** ** **
********* *** * ** *
* * *** ** *** ***** *** * ** **** ** * *
* * ** * * * ** * *
* * *** * * ** ** ** * ** * * * * %.2f",y);
* * * * ************ *** 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 0
-----------Re-judge-----------
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 (void)
{
******** * * ** * * a;
** * ** ** * * * * * ***** * b;
* ** * * *** * ** * **** ** * *
** ** ** ** ** ** **** ****** ** * * * * ***** ** *
* ** * *** ** * ** * * * ** * *** * *** *
    }
** ** * *** ** * **** ** **** ** *** ** *** *
** * ** * ** * ** * **** * **** * ** *
    }
* * * * * * **** * * * *** * * * * ** ** * * *** ** *
** *** *** * * * * *** ****** * ** ** ** *** *
    }
** * * ***** * * * ** ***
* * * ** * *** *** * ** ** *** ** * * * ** * **
*** * *** * * *
** *** * * * *** * * %.2f",b);
* **** * * * * * *** * * 0;
}
answered by (-204 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
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 (void)
{
* * * * * ** * * a;
** ** ** ***** ** *** ** b;
* *** * * * ***** * * *** * * ** * * ***
* *** ***** ** * *** * ** * ** * * * ***
*** ** * * * * ** **** * * * ***** * ***** *
    }
* * ** **** * * * * ** * * * ** ** *** * * ****
***** * * ** * ** ** **** ** * * **** ** * *
* * *** * * **
**** ** ** ** ** *** * * * * **** * ** * * * * *
* * * **** * ** ** ** * ** ** ** *****
    }
* *** *** * *** * *** *** * *
** * * ** ****** ** * *** * *** ** *** ** *
    }
* ****** * ** * **** ** *** * * * * * **
***** * * ** ** *** * * 0;
}
answered by (-204 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.58.2
©2016-2025

Related questions

3 like 0 dislike
87 answers
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited
| 9.4k views
3 like 0 dislike
86 answers
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited
| 8.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users