1 like 1 dislike
8.3k 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

 

[Exam] asked in Midterm by (12.1k points)
ID: 32351 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 8.3k 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:172.69.59.117
©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
| 3.3k 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
| 3.1k 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
| 7.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users