1 like 1 dislike
13.5k 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
| 13.5k views

59 Answers

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

int main()
{
***** * *** ** ** **** a;
** ** * * *** *** *** *** ** ****** ***
* * *** ** * * * ** ***
*** * *** * **** ** ** **** * * *** ** ** *** ** ** %.2f",10+a*0.6);
** * *** ** *** *** * * ** * *** *** * ****
**** * * * ***** * **** ** * *** ** ** ** * ***** * %.2f",10+18+(a-30)*0.8);
******** ** * ** * ** * ** * * * * ** * *
* ** * * ** * *** *** * * ** ** * * * * * * * ** * * %.2f",10+18+16+(a-50)*1);
** ***** ** *** ** **** * ****
** * * ** ** * ** * *** * ** * * * **** * * * *** **** * ** ** **
** * ** ***** * 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 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
    float a;
** *** * ** * ****** *** * *** ***
******* * * ** * * *** ** * **
**** *** * ******* **** * ** * ** **** * * *** * * **
*** * ** * * * * * ** * ***** ** *** * *
* * ******* ** * ** * ***** *** * ***** ** ** ** *** ** ** *
*** * *** *** **** **** * ******* ** *** * *
** * * *** ***** * * *** ** * **** ** * * * * * * ******* ***** * * * **
** ** *** * * * ** * * **** **
** ** * * * * * ** * * * * * * *** *** * **** * * **** * *
    return 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!
#include <stdio.h>
#include <stdlib.h>

int main()
{
    int a;
* ** * * * * * * ** *** * * *
** * *** ** **** **** * * *
*** **** * * * ** ** ** * * **** *** * **** **** * * ****
** *** ** ***** * * * ****** * *** * * * ** *
**** ** ** * ** ** ** * *** * * ** * *** * ** * * * *** **** ***
****** * ******* *** * * * ** ***** ******* ** **
* ** * ** * * *** ** * **** * ** *** ** * ** ******* ** * ** *** **** **
** ** * * **** **
* ** *** ** * ** * * * ** * * ** *** * ** * * ** * * * * ** * * *
    return 0;
}
answered by (-258 points)
0 0
prog.c: In function 'main':
prog.c:7:13: warning: format '%f' expects argument of type 'float *', but argument 2 has type 'int *' [-Wformat=]
     scanf("%f",&a);
             ^
prog.c:13:20: warning: format '%f' expects argument of type 'double', but argument 2 has type 'int' [-Wformat=]
         printf("%.2f",10+18+16+(a-50)*1);
                    ^
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
* ** *** *** *** *** a;
* *** ** **** **** ***** * b;
* * * **** * * ** ** ****** ** ** ** ** * * &a);
* *** * ***** * ** * ** a<=30 )
* * * *** ** *** ** **** * *** *** * *** * **
** * * * *** **** * ** * * ** * * * * * * * ** if (a<=50)
* * * *** * * **** **** ** **** ** **** * ** * *** * **
* * * *** **** * ** * **** * *** ** * ** **** * * if (a<=60)
* * ****** ** ** *** * ** *** *** * * * *
* * * * * * * * *** * ** **** * * b=10+30*0.6+20*0.8+(10)+(a-60)*1.2;
* **** ***** ** * ** * * * * * ** *** ***** ** * ** %0.2f", b);
* ** ** * *** ** **** * ** ** 0;





}
answered by (-140 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 * ** * *

int main(){
*** ***   float fix = 10.0;
*** * * * ** * float n=1.2, n10=1.0, n20=0.8, n30=0.6;

* *****   float a;
** * ** float cost;

* *   * ** * * ** ** * ****

* * * *   * ** ** *
* * * ** ** ** **** *** **** ** ****** * ** = *

**** ** * * * * * ** * *** ** * ***
*** * * **** * ** * * * ** ** * ** ****** = * ****** **

** * ** *** * **** ***** * *** * * **** ** *** * * *
* * ** *** * *** * ** ***** ** *** ** = * ** * * ** **

*** * * * ** * * **
** * *** * * ** **** * ** * * **** ** * * = * *** * ** * *** ** **

*** * * * * ** ** * ** * * * * * * ** cost);

** * **   return 0;
}
answered by (-74 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include *** * * * **

int main(){
** * *   float fix = 10.0;
* **** *** * float n=1.2, n10=1.0, n20=0.8, n30=0.6;

** *   float a;
*** * * *** float cost;

** * *   * * *** ** * * * * * ** **

***** **   **** ** * *
* * ** * * *** *** * * *** * *** * * * = * * *

*** * * * * * * ** * *******
** *** *** * **** * ** * * * * * *** * = * * **** **

** * ** ** **** ** * ** * ** * * * * * * *** *
** * * * * ***** * * **** ** ** * * ** ** * * * = * ** **** * * * * *

* ** * * * * *** *** **** *
* * ***** ** * **** ** **** ***** ** ** = ** *** * * **** * *

** **** ** ** *** * * * ** *** * ** ** * ** cost);

* *   return 0;
}
answered by (-74 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include * *****

int main(){
***** **   float fix = 10.0;
* ** * float n=1.2, n10=1.0, n20=0.8, n30=0.6;

*** * * * float a;
*** *** * ** ** float cost=0;

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

** * * **** * * ** ** **
** **** * * ** ** ***** * * * * * ** * * * * * = fix+n30;

** * *   * ** *** **** * *** *
* * * * * ** ** * * ** * ** * * * * = ** * **

*** * * *** * ** ** * ** * * ** *** * * ** *
* ** * * *** ** * * * ** ** ** **** *** * = ** *** *

* * * * * ** ********* * * * *** * * ** * * * * * *
*** * ***** * * ** *** ** *** * ***** * *** * = *** ** * ** *

* ** * * * ** *** ****** ** * * * * ** * **** ** * cost);



* *   return 0;
}
answered by (-74 points)
0 0
prog.c: In function 'main':
prog.c:10:10: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'float *' [-Wformat=]
  scanf("%d",&a);
          ^
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main (void)
{
    int a,j;
* * ** * ***** *** *** s;
* * * ** * **** * * ** ** * *** *
** * **** ** * * * && a<=30)
* * ** * * ** **** * * **** *** ** * ** * *** *** **
** * *** ** ** * ** * * ** * ** ** * * *** (a>30 && a<=50)
* * * *** ** * ****** ****** * *** *** * ** * **** * * ***
** ** *** ** * * * * ** * **** ** * * ** * * (a>50 && a<=60)
** ** ** * ***** * * * * * * *** **** ** * **** * ** * *
** ** **** * **** * ** * * * *** ***** * * * (a>60)
* **** * * * *** * ** * * **** **** * *** * * ** ** * * * **
*** * * * * * *** * * * ** *** ** * ** **
** * * * *** * * **** ***** ** ** * * *** *** ****** * %.2f",s);
** **** * * * * ** ** ** * ** ** ** ** ** ** ** ** * 0;
}
answered by (-32 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 (void)
{
    int a,j;
    float s;
* *** * * * * * ** * **** *** ***** *
    if(a>0 && a<=30)
** * * * ******** ** *** ***** * ** **** ***
* * * * ** *** * * ** * * **** * **** ** ** (a>30 && a<=50)
**** ****** ** ** * * * *** * * ** * * **
**** ****** * ********* *** * *** **** * * * *** * *** * ** *** ** * * * ** **
* ****** * ******* ** ** *** **** ** ***
* ** * * * *** ** **** ** ** * * * * * (a>50 && a<=60)
** * *** * * ****** * ** * * * **** * * * *
* * * * * * ** ** * * ** *** * * * * *** ** *** *** *** **** * ****** ** * **
** ** *** * ** ** ** * ** * *** *** *
** * * * * * * ** ** * *** *** ** * * * *** * * * * (a>60)
*** * * * ****** ** **** * ** ** ** * **
** ** *** ** * ** * **** * * ** * * * **** * *** * **** ** ***** * * * * ** ** ******
* ** * * * * * ** * *** * * * * * ** * *
*** * ***** * *** * * *** ** * ******** **
* *** ** ** ** * * ***** ** ** ** *** ** * * ** * * %.2f",s);
**** * *** ****** * ** ** * **** ** * * * * 0;
}
answered by (-168 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>

float main()
{
* **** ** * * ** ** * a,b,c,d,e;
****** * ***** **** * * ** * * * *
**** * * * ** * ** ** *
** * *** ** * **** * **
* * *** * * * *** *
* ***** * **** * ***** *


* * ** *** *** * * * (a>0,a<=30)
* **** ** * ** ** * ****** ** *** * ** ****** * * ** * ** %.2f",a*0.6+b);

*** *** ** * ****** ** * ** * *** *** ** * (a>30,a<=50);
* * * * * * * * * * *** * * ** * ** * * ** ** * **** * * * ** **



** ** ***** * * (a>50,a<60)
*** * * * *** * *** * **** * * * **** * * ***** ****** * * *** *** **
*** * * * *** *** ** * ** * * * * * (a>=60);
** ** * *** ** * **** ** ** * * **** * * ** * *** * * ***** *** ****

**** * ** * * * **** **** 0;
}
60/100 answered
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:172.70.80.197
©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
| 5.5k 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
| 5k 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
| 12.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users