1 like 0 dislike
17.7k 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 | 17.7k views

91 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>

int main(){

    float a,b,c,d,e;

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

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

* *** ** * * * * ** * * * ** ** * * * * *** && a>30){
* * * * **** ** *** * *** ** *** *** * * * ** * * * * * **

** * **** *** *** * *** ** ** *** * **** && a>50){
** *** **** **** *** * * * **** ** * * *** * ** * *

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










    return 0;



}
answered by (-301 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>
#include <stdlib.h>

int main()
{
*** ** ** *** **** ****** a;
** * * ** ** * * ** * * **** ** *** * * ****
* *** * **** **** * * ** * **
** *** * * ***** *** **** ** * *** * * ** ** * %.2f",a*0.6+10);
* * * * * *** ** ** * if(a<=50)
* * * *** ** * * * **** ****** ********* * **** * **** *** * %.2f",(30*0.6)+(a-30)*0.8+10);
* * * * **** * *** ** if(a<=60)
** * * *** **** **** *** ** ** * ****** * ** **** * * * * **** * ** *
* ** ** ** ** * * ** **
* ****** ** * *** * * *** ** *** ** *** * ****** ** ** ** * * ***** ** * ***** * ** *
** ** * ** * * * * **** * * * 0;
}
answered by (-258 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 ******** *** *

int main ()

{
** ** **** *** * *** * userinput, a, b, c, extra;

* * ** * ** ** ** ** ** ** *** * ** * &userinput);
** * * * * * *** * * (userinput<31)
***** *** * ****** ****
*** ** ** ** ** ** * * ***** * ** * *** ***** = userinput * 0.6;
* * ** *** * * * ** ** ** *** * ** * ** **** * * * %.2f", a+10);
* *** * * ***** *
* *** *** ** * ** * ** **** if (userinput<51)
** * ** * * ** * * *
*** ** * * * * * * ** * * * ** ** * ** * * * = (userinput - 30)*0.8+30*0.6;
* **** **** **** *** * * ** **** **** *** ** * * * %.2f", b+10);
* *** *** ** * * *
* ** ** * *** * if ** *** ** ****
*** **** * ************ * *
**** ** ** * ** * ** * ** *** * * * * = (userinput - 50)*1+30*0.6+20*0.8;
** ** * **** * * ** *** * * ** ** * *** ** * * %.2f", c+10);
* ** *** * * ****
* *** * ** ** ** *
** ** ** *********
* * * * * * * * * *** ****** * ** * ****** * ** * = (userinput - ** *** **
* * * * ** **** ** *** ****** ** * * ** * *** * * %.2f", extra+10);
* ** *** * ***** **


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

}
answered by (-249 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: 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(){

    float a,b,c,d,e;

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

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

* **** *** *** ** * * * * ** * *** && a>30){
* **** *** ** * * * * ****** * * * ** * ******

* ** ** * * * ** * * * ** ** ** * ** * * && a>50){
* * * * ** * * ** * * **** ******** * *** ** ** * *

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










    return 0;



}
answered by (-301 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>
#include <stdlib.h>

int main()
{
** ** * *** * * ** * * ** * a;
* * ** ** * ** ** * **** * ** ****** ***** * * *
** * * * * * ** * *** ** * * ***
****** **** ****** **** *** * ** *** **** * *** ** **** ******* * ****
    else if(a<=50)
** * * * * *** * **** ** **** * * ** **** **** * * * *** * ** * ** *** ** *
* * * *** * ******* * *** * if(a<=60)
*** ** * * * ** * * ** *** * * * * ** *** ** * ** * ** * * ** * ** **** **
** ** *** * * *** *** * *** *
*** * * * *** ** * * * ** ** ** ** * ** ** ** *** * * * * * * * ** * ** *
** ** **** * *** * 0;
}
answered by (-258 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!
* * * *** * * * *

*** ** ** *



int main()

{
****** * * *** *** * total = 0;

**** * ******* ** *** * amount = 0;

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

*** ** ** * * ** amount 30 )
** ** *** ***** * **
* * * * * * ** * * * ** * ** * * * * ** = amount * 0.6 + 10;
******* * * * ** ** *

* * ******** * * **** * if( amount *** * 50 )
** * * ** * *
* * ** * ** * ** * ** *** *** * * ** ** *** * = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
* *** * *** * * ** **

* * * ** * * * ** * if( amount ** ** 60 )
* ** ** * *** ** * ****
** ***** *** *** *** * * **** * * * = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
* * * * * ** * * ***

* * ** ** * * * *
* *** *** * * ** ** *
* *** ** ** ** * * * * * * * * * * *** * ** * * * * = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
**** ** *** ** * *

** * ** ** * * ** * ** * * *** *** * * * * ** * ** *
*** * **** *** ** ***** * 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 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: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
* ** * ** ** * **

* * ** * ** * **



int main()

{
** * * * *** *** * * total = 0;

** **** **** * * *** *** += 10;

******* * ** ** * ** * amount = 0;

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

** * * * * ** * * amount **** 30 )
** * * * *
***** *** ** ** *** * ** *** * * ** * ** = amount * 0.6 + 10;
* ** ** **** * **

** * * * * ** * ** *** if( amount * 50 )
***** * * * *** ** *****
* * * ** * **** * ** *** * * *** * * * * ** ** = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
* **** ** *** * **** *

*** ** **** * *** if( amount * ** 60 )
* ** * ** * ** * **
*** ** * *** * ** * ** * *** * *** ** * = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
* * * * * *** * ** *

* * ** ** * * **** * **
** * **** ** * * * *
** * * * * ** * ** ** * * * * ** * * **** * = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
* * * * ** *** * *

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

}
answered by (-285 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!
* * ** ** * *** *
#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: Correct output
Case 1: Correct output
Case 2: Correct 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:172.69.59.97
©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
| 14.2k 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
| 12.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users