1 like 1 dislike
11k 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
| 11k 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:172.70.80.233
©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
| 4.4k 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
| 3.9k 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
| 9.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users