1 like 1 dislike
14.7k 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

 

[Exam] asked in Midterm by (12.1k points)
ID: 32351 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 14.7k 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:104.23.197.94
©2016-2026

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
| 6.1k 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
| 5.5k 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
| 13.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users