1 like 1 dislike
8.8k 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
| 8.8k views

59 Answers

0 like 0 dislike
Hidden content!
#include<stdio.h>
#define FIXED_AMOUNT 10
int main()
{
* ** ** * ** ** * n;
* * *** * * * * * ** ** * ** * * * * * * **
*** * * ** ** * ** * * * * *** * ** * * ***
** ** ** * * ** * * *** *
* * * * **** * * * ** * *
* * **** **** **** *** * * *** * ** *** * ** * ** ****** = FIXED_AMOUNT + (n*0.6);
* *** * *** *** * **** ** ** * * ***** * ** * ** * ***** ** * *** * *
* * * **** ***** ** *
** *** * ** *** ** ** * *** * * if(n<51)
    {
* * * *** *** * ** ** * *** ** * ** * ** * *** ** ** = FIXED_AMOUNT + 30*(0.6) + (n-30)*0.8;
** ** *** * * * ** *** * **** **** ** *** * * ** * * ***** **** * ** *
    }
* * *** * * * * * * * if(n<61)
** ** ** **** ***** *
**** *** * * *** * *** ** * * **** ** *** ** * = FIXED_AMOUNT + 30*0.6 + 20*0.8 + (n-50)*1;
** ** ** *** * * **** * ** * *** ** * * * *** ** * ****** **
***** * ** * ** * *
** * ****** * * ** *
** * ** * * * * ** * *
** * * ** ** * *** * * * ** ** * * * ****** *** *** = FIXED_AMOUNT + 30*0.6 + 20*0.8 + 10*1 + (n-60)*1.2;
* ** ** * ** **** ** *** **** ** ***** * ***** * **** ***** * ****
* * * *** * * * ** *
** * * *** *** ***** **** 0;
}
answered
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>
#define FIXED_AMOUNT 10
int main()
{
* * * ** **** ** * ** * ** n;
* *** **** ** * ** **** * * ** * * * ***** ***
** ****** * * ** ** * * * ** *****
**** ** * ** * * *** *
* ** * *** * **** *
* * ** *** ** ** * ** * **** ** * * * * = FIXED_AMOUNT + (n*0.6);
* * * * * ** ***** * * * * *** ****** * ** * * ** *****
* * ** * * * *** *
** * * ******* ** ** ** * * if(n<51)
    {
** * ** * * * *** * * ** *** * ** * *** * * = FIXED_AMOUNT + 30*(0.6) + (n-30)*0.8;
* ** * * *** * ** * * ** * * *** * **** *** ** **** * **
    }
* * *** ** * ** * * * * if(n<61)
* * * * ********* *
*** * * * ** ***** * * * * **** ** **** ** * = FIXED_AMOUNT + 30*0.6 + 20*0.8 + (n-50)*1;
* *** * * * ****** **** * ***** ** ***** ******** * *** *** * **
* * * ****** * ** * ***
* * * * * * * ** ** *** **
** * ** * ** *** * *
** * * **** * ** ** *** **** ** * ** ** **** * **** = FIXED_AMOUNT + 30*0.6 + 20*0.8 + 10*1 + (n-60)*1.2;
* **** ***** ** * ** ** ** * ** * *** * ** * * *** *** *** * ** * *
** ***** ** ** * **
* * * ***** **** ** **** * * 0;
}
answered by (-281 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(){
* ** * ** * ** * * v;
*** * * * ** ***** *** * * **** * * **
* ** * ** ** * * * **** *
* *** * ** * * ***** ** * * ** * * ** * * ***** %.2f",10+0.6*v );
* * **** * * * * * * *
* * * ** * * if(v<=50){
* * ** **** * *** * * * * ** * * * * * %.2f",10+0.6*30 + 0.8*(v-30) );
* ** ** ** ** ** * *
* *** *** ***** ** * **** if(v<=60){
* * * * **** **** ** ** ** * * * * ** * * ** ** %.2f",10+0.6*30 + 0.8*20 + 1*(v-50) );
* * **** ***** *** * ** *
* * ** * * * ** * * *** * ** **
* ***** * * ******* ** * * ** * ** * **** * * * ** * * ****** * ** + 0.8*20 + 1*10 + 1.2*(v-60) );
* ** ** * ** **** **
* * ** *** ** *** 0;
}
answered by (-116 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()

{
** *** *** ** **** input,sum=0;
* * ** * ** ******* ** ** * * * **** ** * * ***

* *** * ***** * *** * (input<=30)
* ** ****** ** * * * **
** * * * * *** ** *** * * * *** ***** **** * *
* * *** ** * *** * ** ** * ** ***** ** * * * * * ** ****** %.2f",sum);
* * * *** * ***** * ** *** *
* ***** * ** * * * * if (input<=50)
    {
* *** ** ** *** *** ** *** ** *** * ********* * ** * *** * ** *
** * * *** * * * ** * * * * *** * ** * * *** * * %.2f",sum);
* ***** ** * * **** **
**** ***** *** * *** ** if (input<=60)
    {
** * * ** *** ** *** ** ** * *** * *** **** * * *** ** * * * **
** * **** * ** **** * * ****** * ** * ** ****** ***** * %.2f",sum);
** * ***** * * *** * *
** * * * * * ** if (input>60)
* ** ** ** * * ** *** ***
* ***** * ** * *** ** *** **** * * * * ** * * *** ** ***
**** * ** ** * ** * ** * * * * * ** ****** * * %.2f",sum);
*** ** *** ** ** ** **
* * ** ** *** ** ** 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 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
*** *** * **** * * ** * x,y;

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

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

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

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

* * * * *** *** **** ** y=10+30*0.6+20*0.8+10+(x-60)*1.2;

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

int main()
{
** * **** * * *** * * **** a;
* ** ******** * * * * * ** * * * ** **
** *** ** **** * * ** ** ***** ** ** *
* * * * * * * * **** ** ** * *** **** ** *** * %.2f",10+a*0.6);
*** *** ** * ** * * * *** ** * * ** * *** * * **
* * * ** ******* * *** * * * * ** * ** * ** *** *** %.2f",28+(a-30)*0.8);
* * *** * ** ** * ** * * * * *** * * * **
*** * ***** ****** * ** **** *** * *** * * * **** ****** * * ** %.2f",44+(a-50)*1);
* * ** * * * * *
** ** **** * ** * **** * **** ** **** * * * * * ** * ** **** %.2f",54+(a-60)*1.2);
** ** * ***** * *** 0;
}
answered by (-498 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()
{
* * ****** *** **** * *** * x,y;

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

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

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

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

** * ** * * * * * * * y=10+30*0.6+20*0.8+10+(x-60)*1.2;

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

** * * *** * ** * * ***** 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;
*** ** * * **** * **** b;
*** * ** * * * ** **** * ** **** ** * &a);
* * * ****** ** * * ** ** ** {
* * * *** ** ** ** ** * * * ** ** * *** **** * *****
* ** *** * * * *
* * * * *** * *** ** ** if(a>30 && a<=50) {
* *** * **** * *** * ****** ** **** * ** * ***
** * ***** **** *
**** ** *** ** * ** ** * if(a>50 && a<=60) {
** * * * ** ** * ** * ** * * ****** * ***** * * * * ***
** ** * * * * * ** * * * *
* *** *** **** * ** * if(a>60) {
* *** ** ** * * *** * ** ******* ** ** ** * * * **
** ** **** * * *** ****
* ** ** **** * ** **** %.2f", b);
}
answered by (-120 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()
{
*** * * *** ** ** *** ** a;
**** * * * * ** *** * * * ** * * * * * **
** *** ** * **** ** * * * * ** * * *** *
* **** * * * * * *** * * ** * * * ** ** * * * %.2f",10+a*0.6);
** *** **** ** *** * ***** **** * ****** ** *** * * *
* ** **** * *** ** *** ** **** * ******* * *** %.2f",28+(a-30)*0.8);
* * ** ** ** *** *** * * * * * * ***** ** ** * ****
* ** * * **** * * ******* ****** *** ** * * ** * %.2f",44+(a-50)*1);
*** * **** * **
*** ** ** * ** **** **** * *** ** ** * * * * ** ***** * * %.2f",54+(a-60)*1.2);
* * *** ** *** * * * 0;
}
answered by (-498 points)
0 0
prog.c: In function 'main':
prog.c:13:26: warning: format '%f' expects argument of type 'double', but argument 2 has type 'int' [-Wformat=]
         printf("Cost: %.2f",44+(a-50)*1);
                          ^
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.126.13
©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
| 3.5k 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
| 3.2k 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
| 7.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users