1 like 0 dislike
24.1k 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 | 24.1k 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:104.23.197.94
©2016-2026

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
| 19.1k 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
| 17.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users