1 like 1 dislike
12.2k 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
| 12.2k 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:172.69.59.145
©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
| 4.9k 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
| 4.5k 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
| 11.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users