1 like 0 dislike
17.3k 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

 

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

edited by | 17.3k 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:172.69.17.58
©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
| 13.8k 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
| 12.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users